21223290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:975

約数の個数: 64

約数和(自身を含む): 56391552

約数和(自身を除く): 35168262

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 73, 110, 146, 165, 219, 330, 365, 438, 730, 803, 881, 1095, 1606, 1762, 2190, 2409, 2643, 4015, 4405, 4818, 5286, 8030, 8810, 9691, 12045, 13215, 19382, 24090, 26430, 29073, 48455, 58146, 64313, 96910, 128626, 145365, 192939, 290730, 321565, 385878, 643130, 707443, 964695, 1414886, 1929390, 2122329, 3537215, 4244658, 7074430, 10611645, 21223290]

約数ペア:

[(1, 21223290), (2, 10611645), (3, 7074430), (5, 4244658), (6, 3537215), (10, 2122329), (11, 1929390), (15, 1414886), (22, 964695), (30, 707443), (33, 643130), (55, 385878), (66, 321565), (73, 290730), (110, 192939), (146, 145365), (165, 128626), (219, 96910), (330, 64313), (365, 58146), (438, 48455), (730, 29073), (803, 26430), (881, 24090), (1095, 19382), (1606, 13215), (1762, 12045), (2190, 9691), (2409, 8810), (2643, 8030), (4015, 5286), (4405, 4818)]