21152092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 42649600

約数和(自身を除く): 21497508

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 79, 158, 247, 271, 316, 494, 542, 988, 1027, 1084, 1501, 2054, 3002, 3523, 4108, 5149, 6004, 7046, 10298, 14092, 19513, 20596, 21409, 39026, 42818, 66937, 78052, 85636, 133874, 267748, 278317, 406771, 556634, 813542, 1113268, 1627084, 5288023, 10576046, 21152092]

約数ペア:

[(1, 21152092), (2, 10576046), (4, 5288023), (13, 1627084), (19, 1113268), (26, 813542), (38, 556634), (52, 406771), (76, 278317), (79, 267748), (158, 133874), (247, 85636), (271, 78052), (316, 66937), (494, 42818), (542, 39026), (988, 21409), (1027, 20596), (1084, 19513), (1501, 14092), (2054, 10298), (3002, 7046), (3523, 6004), (4108, 5149)]