21332960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 192

約数和(自身を含む): 62705664

約数和(自身を除く): 41372704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 31, 32, 34, 40, 44, 46, 55, 62, 68, 80, 85, 88, 92, 110, 115, 124, 136, 155, 160, 170, 176, 184, 187, 220, 230, 248, 253, 272, 310, 340, 341, 352, 368, 374, 391, 440, 460, 496, 506, 527, 544, 620, 680, 682, 713, 736, 748, 782, 880, 920, 935, 992, 1012, 1054, 1240, 1265, 1360, 1364, 1426, 1496, 1564, 1705, 1760, 1840, 1870, 1955, 2024, 2108, 2480, 2530, 2635, 2720, 2728, 2852, 2992, 3128, 3410, 3565, 3680, 3740, 3910, 4048, 4216, 4301, 4960, 5060, 5270, 5456, 5704, 5797, 5984, 6256, 6820, 7130, 7480, 7820, 7843, 8096, 8432, 8602, 10120, 10540, 10912, 11408, 11594, 12121, 12512, 13640, 14260, 14960, 15640, 15686, 16864, 17204, 20240, 21080, 21505, 22816, 23188, 24242, 27280, 28520, 28985, 29920, 31280, 31372, 34408, 39215, 40480, 42160, 43010, 46376, 48484, 54560, 57040, 57970, 60605, 62560, 62744, 68816, 78430, 84320, 86020, 92752, 96968, 114080, 115940, 121210, 125488, 133331, 137632, 156860, 172040, 185504, 193936, 231880, 242420, 250976, 266662, 313720, 344080, 387872, 463760, 484840, 533324, 627440, 666655, 688160, 927520, 969680, 1066648, 1254880, 1333310, 1939360, 2133296, 2666620, 4266592, 5333240, 10666480, 21332960]

約数ペア:

[(1, 21332960), (2, 10666480), (4, 5333240), (5, 4266592), (8, 2666620), (10, 2133296), (11, 1939360), (16, 1333310), (17, 1254880), (20, 1066648), (22, 969680), (23, 927520), (31, 688160), (32, 666655), (34, 627440), (40, 533324), (44, 484840), (46, 463760), (55, 387872), (62, 344080), (68, 313720), (80, 266662), (85, 250976), (88, 242420), (92, 231880), (110, 193936), (115, 185504), (124, 172040), (136, 156860), (155, 137632), (160, 133331), (170, 125488), (176, 121210), (184, 115940), (187, 114080), (220, 96968), (230, 92752), (248, 86020), (253, 84320), (272, 78430), (310, 68816), (340, 62744), (341, 62560), (352, 60605), (368, 57970), (374, 57040), (391, 54560), (440, 48484), (460, 46376), (496, 43010), (506, 42160), (527, 40480), (544, 39215), (620, 34408), (680, 31372), (682, 31280), (713, 29920), (736, 28985), (748, 28520), (782, 27280), (880, 24242), (920, 23188), (935, 22816), (992, 21505), (1012, 21080), (1054, 20240), (1240, 17204), (1265, 16864), (1360, 15686), (1364, 15640), (1426, 14960), (1496, 14260), (1564, 13640), (1705, 12512), (1760, 12121), (1840, 11594), (1870, 11408), (1955, 10912), (2024, 10540), (2108, 10120), (2480, 8602), (2530, 8432), (2635, 8096), (2720, 7843), (2728, 7820), (2852, 7480), (2992, 7130), (3128, 6820), (3410, 6256), (3565, 5984), (3680, 5797), (3740, 5704), (3910, 5456), (4048, 5270), (4216, 5060), (4301, 4960)]