21921648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1231}}^1$

素因数の和:1302

約数の個数: 80

約数和(自身を含む): 65995776

約数和(自身を除く): 44074128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 53, 56, 84, 106, 112, 159, 168, 212, 318, 336, 371, 424, 636, 742, 848, 1113, 1231, 1272, 1484, 2226, 2462, 2544, 2968, 3693, 4452, 4924, 5936, 7386, 8617, 8904, 9848, 14772, 17234, 17808, 19696, 25851, 29544, 34468, 51702, 59088, 65243, 68936, 103404, 130486, 137872, 195729, 206808, 260972, 391458, 413616, 456701, 521944, 782916, 913402, 1043888, 1370103, 1565832, 1826804, 2740206, 3131664, 3653608, 5480412, 7307216, 10960824, 21921648]

約数ペア:

[(1, 21921648), (2, 10960824), (3, 7307216), (4, 5480412), (6, 3653608), (7, 3131664), (8, 2740206), (12, 1826804), (14, 1565832), (16, 1370103), (21, 1043888), (24, 913402), (28, 782916), (42, 521944), (48, 456701), (53, 413616), (56, 391458), (84, 260972), (106, 206808), (112, 195729), (159, 137872), (168, 130486), (212, 103404), (318, 68936), (336, 65243), (371, 59088), (424, 51702), (636, 34468), (742, 29544), (848, 25851), (1113, 19696), (1231, 17808), (1272, 17234), (1484, 14772), (2226, 9848), (2462, 8904), (2544, 8617), (2968, 7386), (3693, 5936), (4452, 4924)]