21872424

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{2657}}^1$

素因数の和:2687

約数の個数: 64

約数和(自身を含む): 63792000

約数和(自身を除く): 41919576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2657, 2744, 4116, 5314, 7971, 8232, 10628, 15942, 18599, 21256, 31884, 37198, 55797, 63768, 74396, 111594, 130193, 148792, 223188, 260386, 390579, 446376, 520772, 781158, 911351, 1041544, 1562316, 1822702, 2734053, 3124632, 3645404, 5468106, 7290808, 10936212, 21872424]

約数ペア:

[(1, 21872424), (2, 10936212), (3, 7290808), (4, 5468106), (6, 3645404), (7, 3124632), (8, 2734053), (12, 1822702), (14, 1562316), (21, 1041544), (24, 911351), (28, 781158), (42, 520772), (49, 446376), (56, 390579), (84, 260386), (98, 223188), (147, 148792), (168, 130193), (196, 111594), (294, 74396), (343, 63768), (392, 55797), (588, 37198), (686, 31884), (1029, 21256), (1176, 18599), (1372, 15942), (2058, 10628), (2657, 8232), (2744, 7971), (4116, 5314)]