21715304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3539}}^1$

素因数の和:3617

約数の個数: 32

約数和(自身を含む): 44604000

約数和(自身を除く): 22888696

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 3539, 6136, 7078, 14156, 28312, 46007, 92014, 184028, 208801, 368056, 417602, 835204, 1670408, 2714413, 5428826, 10857652, 21715304]

約数ペア:

[(1, 21715304), (2, 10857652), (4, 5428826), (8, 2714413), (13, 1670408), (26, 835204), (52, 417602), (59, 368056), (104, 208801), (118, 184028), (236, 92014), (472, 46007), (767, 28312), (1534, 14156), (3068, 7078), (3539, 6136)]