21802956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{719}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 61447680

約数和(自身を除く): 39644724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 361, 399, 532, 719, 722, 798, 1083, 1438, 1444, 1596, 2157, 2166, 2527, 2876, 4314, 4332, 5033, 5054, 7581, 8628, 10066, 10108, 13661, 15099, 15162, 20132, 27322, 30198, 30324, 40983, 54644, 60396, 81966, 95627, 163932, 191254, 259559, 286881, 382508, 519118, 573762, 778677, 1038236, 1147524, 1557354, 1816913, 3114708, 3633826, 5450739, 7267652, 10901478, 21802956]

約数ペア:

[(1, 21802956), (2, 10901478), (3, 7267652), (4, 5450739), (6, 3633826), (7, 3114708), (12, 1816913), (14, 1557354), (19, 1147524), (21, 1038236), (28, 778677), (38, 573762), (42, 519118), (57, 382508), (76, 286881), (84, 259559), (114, 191254), (133, 163932), (228, 95627), (266, 81966), (361, 60396), (399, 54644), (532, 40983), (719, 30324), (722, 30198), (798, 27322), (1083, 20132), (1438, 15162), (1444, 15099), (1596, 13661), (2157, 10108), (2166, 10066), (2527, 8628), (2876, 7581), (4314, 5054), (4332, 5033)]