21314916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2063}}^1$

素因数の和:2121

約数の個数: 72

約数和(自身を含む): 63108864

約数和(自身を除く): 41793948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 2063, 2583, 3444, 4126, 5166, 6189, 8252, 10332, 12378, 14441, 18567, 24756, 28882, 37134, 43323, 57764, 74268, 84583, 86646, 129969, 169166, 173292, 253749, 259938, 338332, 507498, 519876, 592081, 761247, 1014996, 1184162, 1522494, 1776243, 2368324, 3044988, 3552486, 5328729, 7104972, 10657458, 21314916]

約数ペア:

[(1, 21314916), (2, 10657458), (3, 7104972), (4, 5328729), (6, 3552486), (7, 3044988), (9, 2368324), (12, 1776243), (14, 1522494), (18, 1184162), (21, 1014996), (28, 761247), (36, 592081), (41, 519876), (42, 507498), (63, 338332), (82, 259938), (84, 253749), (123, 173292), (126, 169166), (164, 129969), (246, 86646), (252, 84583), (287, 74268), (369, 57764), (492, 43323), (574, 37134), (738, 28882), (861, 24756), (1148, 18567), (1476, 14441), (1722, 12378), (2063, 10332), (2583, 8252), (3444, 6189), (4126, 5166)]