21236856

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 55226880

約数和(自身を除く): 33990024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 67, 94, 134, 141, 188, 201, 268, 281, 282, 376, 402, 536, 562, 564, 804, 843, 1124, 1128, 1608, 1686, 2248, 3149, 3372, 6298, 6744, 9447, 12596, 13207, 18827, 18894, 25192, 26414, 37654, 37788, 39621, 52828, 56481, 75308, 75576, 79242, 105656, 112962, 150616, 158484, 225924, 316968, 451848, 884869, 1769738, 2654607, 3539476, 5309214, 7078952, 10618428, 21236856]

約数ペア:

[(1, 21236856), (2, 10618428), (3, 7078952), (4, 5309214), (6, 3539476), (8, 2654607), (12, 1769738), (24, 884869), (47, 451848), (67, 316968), (94, 225924), (134, 158484), (141, 150616), (188, 112962), (201, 105656), (268, 79242), (281, 75576), (282, 75308), (376, 56481), (402, 52828), (536, 39621), (562, 37788), (564, 37654), (804, 26414), (843, 25192), (1124, 18894), (1128, 18827), (1608, 13207), (1686, 12596), (2248, 9447), (3149, 6744), (3372, 6298)]