21630882

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 53786880

約数和(自身を除く): 32155998

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 173, 182, 229, 273, 346, 458, 519, 546, 687, 1038, 1211, 1374, 1603, 2249, 2422, 2977, 3206, 3633, 4498, 4809, 5954, 6747, 7266, 8931, 9618, 13494, 15743, 17862, 20839, 31486, 39617, 41678, 47229, 62517, 79234, 94458, 118851, 125034, 237702, 277319, 515021, 554638, 831957, 1030042, 1545063, 1663914, 3090126, 3605147, 7210294, 10815441, 21630882]

約数ペア:

[(1, 21630882), (2, 10815441), (3, 7210294), (6, 3605147), (7, 3090126), (13, 1663914), (14, 1545063), (21, 1030042), (26, 831957), (39, 554638), (42, 515021), (78, 277319), (91, 237702), (173, 125034), (182, 118851), (229, 94458), (273, 79234), (346, 62517), (458, 47229), (519, 41678), (546, 39617), (687, 31486), (1038, 20839), (1211, 17862), (1374, 15743), (1603, 13494), (2249, 9618), (2422, 8931), (2977, 7266), (3206, 6747), (3633, 5954), (4498, 4809)]