21060036

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 55770624

約数和(自身を除く): 34710588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 113, 124, 167, 186, 226, 279, 334, 339, 372, 452, 501, 558, 668, 678, 1002, 1017, 1116, 1356, 1503, 2004, 2034, 3006, 3503, 4068, 5177, 6012, 7006, 10354, 10509, 14012, 15531, 18871, 20708, 21018, 31062, 31527, 37742, 42036, 46593, 56613, 62124, 63054, 75484, 93186, 113226, 126108, 169839, 186372, 226452, 339678, 585001, 679356, 1170002, 1755003, 2340004, 3510006, 5265009, 7020012, 10530018, 21060036]

約数ペア:

[(1, 21060036), (2, 10530018), (3, 7020012), (4, 5265009), (6, 3510006), (9, 2340004), (12, 1755003), (18, 1170002), (31, 679356), (36, 585001), (62, 339678), (93, 226452), (113, 186372), (124, 169839), (167, 126108), (186, 113226), (226, 93186), (279, 75484), (334, 63054), (339, 62124), (372, 56613), (452, 46593), (501, 42036), (558, 37742), (668, 31527), (678, 31062), (1002, 21018), (1017, 20708), (1116, 18871), (1356, 15531), (1503, 14012), (2004, 10509), (2034, 10354), (3006, 7006), (3503, 6012), (4068, 5177)]