21468564

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1699}}^1$

素因数の和:1731

約数の個数: 72

約数和(自身を含む): 60642400

約数和(自身を除く): 39173836

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 1699, 2106, 3159, 3398, 4212, 5097, 6318, 6796, 10194, 12636, 15291, 20388, 22087, 30582, 44174, 45873, 61164, 66261, 88348, 91746, 132522, 137619, 183492, 198783, 265044, 275238, 397566, 412857, 550476, 596349, 795132, 825714, 1192698, 1651428, 1789047, 2385396, 3578094, 5367141, 7156188, 10734282, 21468564]

約数ペア:

[(1, 21468564), (2, 10734282), (3, 7156188), (4, 5367141), (6, 3578094), (9, 2385396), (12, 1789047), (13, 1651428), (18, 1192698), (26, 825714), (27, 795132), (36, 596349), (39, 550476), (52, 412857), (54, 397566), (78, 275238), (81, 265044), (108, 198783), (117, 183492), (156, 137619), (162, 132522), (234, 91746), (243, 88348), (324, 66261), (351, 61164), (468, 45873), (486, 44174), (702, 30582), (972, 22087), (1053, 20388), (1404, 15291), (1699, 12636), (2106, 10194), (3159, 6796), (3398, 6318), (4212, 5097)]