21830620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 57254400

約数和(自身を除く): 35423780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 29, 35, 38, 58, 70, 76, 95, 116, 133, 140, 145, 190, 203, 266, 283, 290, 380, 406, 532, 551, 566, 580, 665, 812, 1015, 1102, 1132, 1330, 1415, 1981, 2030, 2204, 2660, 2755, 2830, 3857, 3962, 4060, 5377, 5510, 5660, 7714, 7924, 8207, 9905, 10754, 11020, 15428, 16414, 19285, 19810, 21508, 26885, 32828, 37639, 38570, 39620, 41035, 53770, 57449, 75278, 77140, 82070, 107540, 114898, 150556, 155933, 164140, 188195, 229796, 287245, 311866, 376390, 574490, 623732, 752780, 779665, 1091531, 1148980, 1559330, 2183062, 3118660, 4366124, 5457655, 10915310, 21830620]

約数ペア:

[(1, 21830620), (2, 10915310), (4, 5457655), (5, 4366124), (7, 3118660), (10, 2183062), (14, 1559330), (19, 1148980), (20, 1091531), (28, 779665), (29, 752780), (35, 623732), (38, 574490), (58, 376390), (70, 311866), (76, 287245), (95, 229796), (116, 188195), (133, 164140), (140, 155933), (145, 150556), (190, 114898), (203, 107540), (266, 82070), (283, 77140), (290, 75278), (380, 57449), (406, 53770), (532, 41035), (551, 39620), (566, 38570), (580, 37639), (665, 32828), (812, 26885), (1015, 21508), (1102, 19810), (1132, 19285), (1330, 16414), (1415, 15428), (1981, 11020), (2030, 10754), (2204, 9905), (2660, 8207), (2755, 7924), (2830, 7714), (3857, 5660), (3962, 5510), (4060, 5377)]