21369480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16189}}^1$

素因数の和:16214

約数の個数: 64

約数和(自身を含む): 69940800

約数和(自身を除く): 48571320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16189, 32378, 48567, 64756, 80945, 97134, 129512, 161890, 178079, 194268, 242835, 323780, 356158, 388536, 485670, 534237, 647560, 712316, 890395, 971340, 1068474, 1424632, 1780790, 1942680, 2136948, 2671185, 3561580, 4273896, 5342370, 7123160, 10684740, 21369480]

約数ペア:

[(1, 21369480), (2, 10684740), (3, 7123160), (4, 5342370), (5, 4273896), (6, 3561580), (8, 2671185), (10, 2136948), (11, 1942680), (12, 1780790), (15, 1424632), (20, 1068474), (22, 971340), (24, 890395), (30, 712316), (33, 647560), (40, 534237), (44, 485670), (55, 388536), (60, 356158), (66, 323780), (88, 242835), (110, 194268), (120, 178079), (132, 161890), (165, 129512), (220, 97134), (264, 80945), (330, 64756), (440, 48567), (660, 32378), (1320, 16189)]