21067542

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 48438000

約数和(自身を除く): 27370458

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 229, 269, 342, 458, 538, 687, 807, 1374, 1614, 2061, 2421, 4122, 4351, 4842, 5111, 8702, 10222, 13053, 15333, 26106, 30666, 39159, 45999, 61601, 78318, 91998, 123202, 184803, 369606, 554409, 1108818, 1170419, 2340838, 3511257, 7022514, 10533771, 21067542]

約数ペア:

[(1, 21067542), (2, 10533771), (3, 7022514), (6, 3511257), (9, 2340838), (18, 1170419), (19, 1108818), (38, 554409), (57, 369606), (114, 184803), (171, 123202), (229, 91998), (269, 78318), (342, 61601), (458, 45999), (538, 39159), (687, 30666), (807, 26106), (1374, 15333), (1614, 13053), (2061, 10222), (2421, 8702), (4122, 5111), (4351, 4842)]