21917124

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 58705920

約数和(自身を除く): 36788796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 41, 62, 82, 93, 123, 124, 164, 186, 246, 279, 369, 372, 479, 492, 558, 738, 958, 1116, 1271, 1437, 1476, 1916, 2542, 2874, 3813, 4311, 5084, 5748, 7626, 8622, 11439, 14849, 15252, 17244, 19639, 22878, 29698, 39278, 44547, 45756, 58917, 59396, 78556, 89094, 117834, 133641, 176751, 178188, 235668, 267282, 353502, 534564, 608809, 707004, 1217618, 1826427, 2435236, 3652854, 5479281, 7305708, 10958562, 21917124]

約数ペア:

[(1, 21917124), (2, 10958562), (3, 7305708), (4, 5479281), (6, 3652854), (9, 2435236), (12, 1826427), (18, 1217618), (31, 707004), (36, 608809), (41, 534564), (62, 353502), (82, 267282), (93, 235668), (123, 178188), (124, 176751), (164, 133641), (186, 117834), (246, 89094), (279, 78556), (369, 59396), (372, 58917), (479, 45756), (492, 44547), (558, 39278), (738, 29698), (958, 22878), (1116, 19639), (1271, 17244), (1437, 15252), (1476, 14849), (1916, 11439), (2542, 8622), (2874, 7626), (3813, 5748), (4311, 5084)]