21014721052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{428557}}^1$

素因数の和:428638

約数の個数: 48

約数和(自身を含む): 42334673472

約数和(自身を除く): 21319952420

約数列:

[1, 2, 4, 13, 23, 26, 41, 46, 52, 82, 92, 164, 299, 533, 598, 943, 1066, 1196, 1886, 2132, 3772, 12259, 24518, 49036, 428557, 857114, 1714228, 5571241, 9856811, 11142482, 17570837, 19713622, 22284964, 35141674, 39427244, 70283348, 128138543, 228420881, 256277086, 404129251, 456841762, 512554172, 808258502, 913683524, 1616517004, 5253680263, 10507360526, 21014721052]

約数ペア:

[(1, 21014721052), (2, 10507360526), (4, 5253680263), (13, 1616517004), (23, 913683524), (26, 808258502), (41, 512554172), (46, 456841762), (52, 404129251), (82, 256277086), (92, 228420881), (164, 128138543), (299, 70283348), (533, 39427244), (598, 35141674), (943, 22284964), (1066, 19713622), (1196, 17570837), (1886, 11142482), (2132, 9856811), (3772, 5571241), (12259, 1714228), (24518, 857114), (49036, 428557)]