21140070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 60131808

約数和(自身を除く): 38991738

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 73, 98, 105, 146, 147, 197, 210, 219, 245, 294, 365, 394, 438, 490, 511, 591, 730, 735, 985, 1022, 1095, 1182, 1379, 1470, 1533, 1970, 2190, 2555, 2758, 2955, 3066, 3577, 4137, 5110, 5910, 6895, 7154, 7665, 8274, 9653, 10731, 13790, 14381, 15330, 17885, 19306, 20685, 21462, 28762, 28959, 35770, 41370, 43143, 48265, 53655, 57918, 71905, 86286, 96530, 100667, 107310, 143810, 144795, 201334, 215715, 289590, 302001, 431430, 503335, 604002, 704669, 1006670, 1409338, 1510005, 2114007, 3020010, 3523345, 4228014, 7046690, 10570035, 21140070]

約数ペア:

[(1, 21140070), (2, 10570035), (3, 7046690), (5, 4228014), (6, 3523345), (7, 3020010), (10, 2114007), (14, 1510005), (15, 1409338), (21, 1006670), (30, 704669), (35, 604002), (42, 503335), (49, 431430), (70, 302001), (73, 289590), (98, 215715), (105, 201334), (146, 144795), (147, 143810), (197, 107310), (210, 100667), (219, 96530), (245, 86286), (294, 71905), (365, 57918), (394, 53655), (438, 48265), (490, 43143), (511, 41370), (591, 35770), (730, 28959), (735, 28762), (985, 21462), (1022, 20685), (1095, 19306), (1182, 17885), (1379, 15330), (1470, 14381), (1533, 13790), (1970, 10731), (2190, 9653), (2555, 8274), (2758, 7665), (2955, 7154), (3066, 6895), (3577, 5910), (4137, 5110)]