21159198

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 29644002

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 41, 54, 57, 82, 114, 123, 171, 246, 342, 369, 503, 513, 738, 779, 1006, 1026, 1107, 1509, 1558, 2214, 2337, 3018, 4527, 4674, 7011, 9054, 9557, 13581, 14022, 19114, 20623, 21033, 27162, 28671, 41246, 42066, 57342, 61869, 86013, 123738, 172026, 185607, 258039, 371214, 391837, 516078, 556821, 783674, 1113642, 1175511, 2351022, 3526533, 7053066, 10579599, 21159198]

約数ペア:

[(1, 21159198), (2, 10579599), (3, 7053066), (6, 3526533), (9, 2351022), (18, 1175511), (19, 1113642), (27, 783674), (38, 556821), (41, 516078), (54, 391837), (57, 371214), (82, 258039), (114, 185607), (123, 172026), (171, 123738), (246, 86013), (342, 61869), (369, 57342), (503, 42066), (513, 41246), (738, 28671), (779, 27162), (1006, 21033), (1026, 20623), (1107, 19114), (1509, 14022), (1558, 13581), (2214, 9557), (2337, 9054), (3018, 7011), (4527, 4674)]