21278664

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 63966240

約数和(自身を除く): 42687576

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 67, 72, 88, 99, 132, 134, 198, 201, 264, 268, 396, 401, 402, 536, 603, 737, 792, 802, 804, 1203, 1206, 1474, 1604, 1608, 2211, 2406, 2412, 2948, 3208, 3609, 4411, 4422, 4812, 4824, 5896, 6633, 7218, 8822, 8844, 9624, 13233, 13266, 14436, 17644, 17688, 26466, 26532, 26867, 28872, 35288, 39699, 52932, 53064, 53734, 79398, 80601, 105864, 107468, 158796, 161202, 214936, 241803, 295537, 317592, 322404, 483606, 591074, 644808, 886611, 967212, 1182148, 1773222, 1934424, 2364296, 2659833, 3546444, 5319666, 7092888, 10639332, 21278664]

約数ペア:

[(1, 21278664), (2, 10639332), (3, 7092888), (4, 5319666), (6, 3546444), (8, 2659833), (9, 2364296), (11, 1934424), (12, 1773222), (18, 1182148), (22, 967212), (24, 886611), (33, 644808), (36, 591074), (44, 483606), (66, 322404), (67, 317592), (72, 295537), (88, 241803), (99, 214936), (132, 161202), (134, 158796), (198, 107468), (201, 105864), (264, 80601), (268, 79398), (396, 53734), (401, 53064), (402, 52932), (536, 39699), (603, 35288), (737, 28872), (792, 26867), (802, 26532), (804, 26466), (1203, 17688), (1206, 17644), (1474, 14436), (1604, 13266), (1608, 13233), (2211, 9624), (2406, 8844), (2412, 8822), (2948, 7218), (3208, 6633), (3609, 5896), (4411, 4824), (4422, 4812)]