About the Number

21689460

21689459 ← → 21689461

2進数表記:1010010101111010001110100

漢数字表記:二千百六十八万九千四百六十

素因数分解:

2 2 × 3 2 × 5 1 × 13 2 × 23 1 × 31 1

素因数の和:95
約数の個数: 216
約数和(自身を含む): 76737024
約数和(自身を除く): 55047564

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 31, 36, 39, 45, 46, 52, 60, 62, 65, 69, 78, 90, 92, 93, 115, 117, 124, 130, 138, 155, 156, 169, 180, 186, 195, 207, 230, 234, 260, 276, 279, 299, 310, 338, 345, 372, 390, 403, 414, 460, 465, 468, 507, 558, 585, 598, 620, 676, 690, 713, 780, 806, 828, 845, 897, 930, 1014, 1035, 1116, 1170, 1196, 1209, 1380, 1395, 1426, 1495, 1521, 1612, 1690, 1794, 1860, 2015, 2028, 2070, 2139, 2340, 2418, 2535, 2691, 2790, 2852, 2990, 3042, 3380, 3565, 3588, 3627, 3887, 4030, 4140, 4278, 4485, 4836, 5070, 5239, 5382, 5580, 5980, 6045, 6084, 6417, 7130, 7254, 7605, 7774, 8060, 8556, 8970, 9269, 10140, 10478, 10695, 10764, 11661, 12090, 12834, 13455, 14260, 14508, 15210, 15548, 15717, 17940, 18135, 18538, 19435, 20956, 21390, 23322, 24180, 25668, 26195, 26910, 27807, 30420, 31434, 32085, 34983, 36270, 37076, 38870, 42780, 46345, 46644, 47151, 52390, 53820, 55614, 58305, 62868, 64170, 69966, 72540, 77740, 78585, 83421, 92690, 94302, 104780, 111228, 116610, 120497, 128340, 139035, 139932, 157170, 166842, 174915, 185380, 188604, 233220, 235755, 240994, 278070, 314340, 333684, 349830, 361491, 417105, 471510, 481988, 556140, 602485, 699660, 722982, 834210, 943020, 1084473, 1204970, 1445964, 1668420, 1807455, 2168946, 2409940, 3614910, 4337892, 5422365, 7229820, 10844730, 21689460]

約数ペア:
[(1, 21689460), (2, 10844730), (3, 7229820), (4, 5422365), (5, 4337892), (6, 3614910), (9, 2409940), (10, 2168946), (12, 1807455), (13, 1668420), (15, 1445964), (18, 1204970), (20, 1084473), (23, 943020), (26, 834210), (30, 722982), (31, 699660), (36, 602485), (39, 556140), (45, 481988), (46, 471510), (52, 417105), (60, 361491), (62, 349830), (65, 333684), (69, 314340), (78, 278070), (90, 240994), (92, 235755), (93, 233220), (115, 188604), (117, 185380), (124, 174915), (130, 166842), (138, 157170), (155, 139932), (156, 139035), (169, 128340), (180, 120497), (186, 116610), (195, 111228), (207, 104780), (230, 94302), (234, 92690), (260, 83421), (276, 78585), (279, 77740), (299, 72540), (310, 69966), (338, 64170), (345, 62868), (372, 58305), (390, 55614), (403, 53820), (414, 52390), (460, 47151), (465, 46644), (468, 46345), (507, 42780), (558, 38870), (585, 37076), (598, 36270), (620, 34983), (676, 32085), (690, 31434), (713, 30420), (780, 27807), (806, 26910), (828, 26195), (845, 25668), (897, 24180), (930, 23322), (1014, 21390), (1035, 20956), (1116, 19435), (1170, 18538), (1196, 18135), (1209, 17940), (1380, 15717), (1395, 15548), (1426, 15210), (1495, 14508), (1521, 14260), (1612, 13455), (1690, 12834), (1794, 12090), (1860, 11661), (2015, 10764), (2028, 10695), (2070, 10478), (2139, 10140), (2340, 9269), (2418, 8970), (2535, 8556), (2691, 8060), (2790, 7774), (2852, 7605), (2990, 7254), (3042, 7130), (3380, 6417), (3565, 6084), (3588, 6045), (3627, 5980), (3887, 5580), (4030, 5382), (4140, 5239), (4278, 5070), (4485, 4836)]

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