21601566540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{76781}}^1$

素因数の和:77320

約数の個数: 96

約数和(自身を含む): 67334742720

約数和(自身を除く): 45733176180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 521, 540, 1042, 1563, 2084, 2605, 3126, 4689, 5210, 6252, 7815, 9378, 10420, 14067, 15630, 18756, 23445, 28134, 31260, 46890, 56268, 70335, 76781, 93780, 140670, 153562, 230343, 281340, 307124, 383905, 460686, 691029, 767810, 921372, 1151715, 1382058, 1535620, 2073087, 2303430, 2764116, 3455145, 4146174, 4606860, 6910290, 8292348, 10365435, 13820580, 20730870, 40002901, 41461740, 80005802, 120008703, 160011604, 200014505, 240017406, 360026109, 400029010, 480034812, 600043515, 720052218, 800058020, 1080078327, 1200087030, 1440104436, 1800130545, 2160156654, 2400174060, 3600261090, 4320313308, 5400391635, 7200522180, 10800783270, 21601566540]

約数ペア:

[(1, 21601566540), (2, 10800783270), (3, 7200522180), (4, 5400391635), (5, 4320313308), (6, 3600261090), (9, 2400174060), (10, 2160156654), (12, 1800130545), (15, 1440104436), (18, 1200087030), (20, 1080078327), (27, 800058020), (30, 720052218), (36, 600043515), (45, 480034812), (54, 400029010), (60, 360026109), (90, 240017406), (108, 200014505), (135, 160011604), (180, 120008703), (270, 80005802), (521, 41461740), (540, 40002901), (1042, 20730870), (1563, 13820580), (2084, 10365435), (2605, 8292348), (3126, 6910290), (4689, 4606860), (5210, 4146174), (6252, 3455145), (7815, 2764116), (9378, 2303430), (10420, 2073087), (14067, 1535620), (15630, 1382058), (18756, 1151715), (23445, 921372), (28134, 767810), (31260, 691029), (46890, 460686), (56268, 383905), (70335, 307124), (76781, 281340), (93780, 230343), (140670, 153562)]