21860147176

素因数分解:

$2^3\times 7^1\times {\mathrm{521}}^1\times {\mathrm{683}}^1\times {\mathrm{1097}}^1$

素因数の和:2314

約数の個数: 64

約数和(自身を含む): 47044644480

約数和(自身を除く): 25184497304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 521, 683, 1042, 1097, 1366, 2084, 2194, 2732, 3647, 4168, 4388, 4781, 5464, 7294, 7679, 8776, 9562, 14588, 15358, 19124, 29176, 30716, 38248, 61432, 355843, 571537, 711686, 749251, 1143074, 1423372, 1498502, 2286148, 2490901, 2846744, 2997004, 4000759, 4572296, 4981802, 5244757, 5994008, 8001518, 9963604, 10489514, 16003036, 19927208, 20979028, 32006072, 41958056, 390359771, 780719542, 1561439084, 2732518397, 3122878168, 5465036794, 10930073588, 21860147176]

約数ペア:

[(1, 21860147176), (2, 10930073588), (4, 5465036794), (7, 3122878168), (8, 2732518397), (14, 1561439084), (28, 780719542), (56, 390359771), (521, 41958056), (683, 32006072), (1042, 20979028), (1097, 19927208), (1366, 16003036), (2084, 10489514), (2194, 9963604), (2732, 8001518), (3647, 5994008), (4168, 5244757), (4388, 4981802), (4781, 4572296), (5464, 4000759), (7294, 2997004), (7679, 2846744), (8776, 2490901), (9562, 2286148), (14588, 1498502), (15358, 1423372), (19124, 1143074), (29176, 749251), (30716, 711686), (38248, 571537), (61432, 355843)]