21194868604

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{737059}}^1$

素因数の和:737162

約数の個数: 48

約数和(自身を含む): 46228403200

約数和(自身を除く): 25033534596

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 1027, 1106, 2054, 2212, 4108, 7189, 14378, 28756, 737059, 1474118, 2948236, 5159413, 9581767, 10318826, 19163534, 20637652, 38327068, 58227661, 67072369, 116455322, 134144738, 232910644, 268289476, 407593627, 756959593, 815187254, 1513919186, 1630374508, 3027838372, 5298717151, 10597434302, 21194868604]

約数ペア:

[(1, 21194868604), (2, 10597434302), (4, 5298717151), (7, 3027838372), (13, 1630374508), (14, 1513919186), (26, 815187254), (28, 756959593), (52, 407593627), (79, 268289476), (91, 232910644), (158, 134144738), (182, 116455322), (316, 67072369), (364, 58227661), (553, 38327068), (1027, 20637652), (1106, 19163534), (2054, 10318826), (2212, 9581767), (4108, 5159413), (7189, 2948236), (14378, 1474118), (28756, 737059)]