21798904920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1933}}^1\times {\mathrm{7229}}^1$

素因数の和:9189

約数の個数: 128

約数和(自身を含む): 70473412800

約数和(自身を除く): 48674507880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1933, 3866, 5799, 7229, 7732, 9665, 11598, 14458, 15464, 19330, 21687, 23196, 25129, 28916, 28995, 36145, 38660, 43374, 46392, 50258, 57832, 57990, 72290, 75387, 77320, 86748, 93977, 100516, 108435, 115980, 125645, 144580, 150774, 173496, 187954, 201032, 216870, 231960, 251290, 281931, 289160, 301548, 375908, 376935, 433740, 469885, 502580, 563862, 603096, 751816, 753870, 867480, 939770, 1005160, 1127724, 1409655, 1507740, 1879540, 2255448, 2819310, 3015480, 3759080, 5638620, 11277240, 13973657, 27947314, 41920971, 55894628, 69868285, 83841942, 111789256, 139736570, 167683884, 181657541, 209604855, 279473140, 335367768, 363315082, 419209710, 544972623, 558946280, 726630164, 838419420, 908287705, 1089945246, 1453260328, 1676838840, 1816575410, 2179890492, 2724863115, 3633150820, 4359780984, 5449726230, 7266301640, 10899452460, 21798904920]

約数ペア:

[(1, 21798904920), (2, 10899452460), (3, 7266301640), (4, 5449726230), (5, 4359780984), (6, 3633150820), (8, 2724863115), (10, 2179890492), (12, 1816575410), (13, 1676838840), (15, 1453260328), (20, 1089945246), (24, 908287705), (26, 838419420), (30, 726630164), (39, 558946280), (40, 544972623), (52, 419209710), (60, 363315082), (65, 335367768), (78, 279473140), (104, 209604855), (120, 181657541), (130, 167683884), (156, 139736570), (195, 111789256), (260, 83841942), (312, 69868285), (390, 55894628), (520, 41920971), (780, 27947314), (1560, 13973657), (1933, 11277240), (3866, 5638620), (5799, 3759080), (7229, 3015480), (7732, 2819310), (9665, 2255448), (11598, 1879540), (14458, 1507740), (15464, 1409655), (19330, 1127724), (21687, 1005160), (23196, 939770), (25129, 867480), (28916, 753870), (28995, 751816), (36145, 603096), (38660, 563862), (43374, 502580), (46392, 469885), (50258, 433740), (57832, 376935), (57990, 375908), (72290, 301548), (75387, 289160), (77320, 281931), (86748, 251290), (93977, 231960), (100516, 216870), (108435, 201032), (115980, 187954), (125645, 173496), (144580, 150774)]