21260976

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{601}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 60912768

約数和(自身を除く): 39651792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 67, 88, 132, 134, 176, 201, 264, 268, 402, 528, 536, 601, 737, 804, 1072, 1202, 1474, 1608, 1803, 2211, 2404, 2948, 3216, 3606, 4422, 4808, 5896, 6611, 7212, 8844, 9616, 11792, 13222, 14424, 17688, 19833, 26444, 28848, 35376, 39666, 40267, 52888, 79332, 80534, 105776, 120801, 158664, 161068, 241602, 317328, 322136, 442937, 483204, 644272, 885874, 966408, 1328811, 1771748, 1932816, 2657622, 3543496, 5315244, 7086992, 10630488, 21260976]

約数ペア:

[(1, 21260976), (2, 10630488), (3, 7086992), (4, 5315244), (6, 3543496), (8, 2657622), (11, 1932816), (12, 1771748), (16, 1328811), (22, 966408), (24, 885874), (33, 644272), (44, 483204), (48, 442937), (66, 322136), (67, 317328), (88, 241602), (132, 161068), (134, 158664), (176, 120801), (201, 105776), (264, 80534), (268, 79332), (402, 52888), (528, 40267), (536, 39666), (601, 35376), (737, 28848), (804, 26444), (1072, 19833), (1202, 17688), (1474, 14424), (1608, 13222), (1803, 11792), (2211, 9616), (2404, 8844), (2948, 7212), (3216, 6611), (3606, 5896), (4422, 4808)]