21959085

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 36211968

約数和(自身を除く): 14252883

約数列:

[1, 3, 5, 15, 61, 103, 183, 233, 305, 309, 515, 699, 915, 1165, 1545, 3495, 6283, 14213, 18849, 23999, 31415, 42639, 71065, 71997, 94245, 119995, 213195, 359985, 1463939, 4391817, 7319695, 21959085]

約数ペア:

[(1, 21959085), (3, 7319695), (5, 4391817), (15, 1463939), (61, 359985), (103, 213195), (183, 119995), (233, 94245), (305, 71997), (309, 71065), (515, 42639), (699, 31415), (915, 23999), (1165, 18849), (1545, 14213), (3495, 6283)]