21349512

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4861}}^1$

素因数の和:4934

約数の個数: 48

約数和(自身を含む): 58781580

約数和(自身を除く): 37432068

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4861, 9722, 14583, 19444, 29166, 38888, 43749, 58332, 87498, 116664, 174996, 296521, 349992, 593042, 889563, 1186084, 1779126, 2372168, 2668689, 3558252, 5337378, 7116504, 10674756, 21349512]

約数ペア:

[(1, 21349512), (2, 10674756), (3, 7116504), (4, 5337378), (6, 3558252), (8, 2668689), (9, 2372168), (12, 1779126), (18, 1186084), (24, 889563), (36, 593042), (61, 349992), (72, 296521), (122, 174996), (183, 116664), (244, 87498), (366, 58332), (488, 43749), (549, 38888), (732, 29166), (1098, 19444), (1464, 14583), (2196, 9722), (4392, 4861)]