21461004018

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19545541}}^1$

素因数の和:19545610

約数の個数: 24

約数和(自身を含む): 47261120556

約数和(自身を除く): 25800116538

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19545541, 39091082, 58636623, 117273246, 175909869, 351819738, 1192278001, 2384556002, 3576834003, 7153668006, 10730502009, 21461004018]

約数ペア:

[(1, 21461004018), (2, 10730502009), (3, 7153668006), (6, 3576834003), (9, 2384556002), (18, 1192278001), (61, 351819738), (122, 175909869), (183, 117273246), (366, 58636623), (549, 39091082), (1098, 19545541)]