21117432

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17957}}^1$

素因数の和:17980

約数の個数: 48

約数和(自身を含む): 61416360

約数和(自身を除く): 40298928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 17957, 35914, 53871, 71828, 107742, 125699, 143656, 215484, 251398, 377097, 430968, 502796, 754194, 879893, 1005592, 1508388, 1759786, 2639679, 3016776, 3519572, 5279358, 7039144, 10558716, 21117432]

約数ペア:

[(1, 21117432), (2, 10558716), (3, 7039144), (4, 5279358), (6, 3519572), (7, 3016776), (8, 2639679), (12, 1759786), (14, 1508388), (21, 1005592), (24, 879893), (28, 754194), (42, 502796), (49, 430968), (56, 377097), (84, 251398), (98, 215484), (147, 143656), (168, 125699), (196, 107742), (294, 71828), (392, 53871), (588, 35914), (1176, 17957)]