21255630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1633

約数の個数: 64

約数和(自身を含む): 57044736

約数和(自身を除く): 35789106

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 41, 55, 66, 82, 110, 123, 165, 205, 246, 330, 410, 451, 615, 902, 1230, 1353, 1571, 2255, 2706, 3142, 4510, 4713, 6765, 7855, 9426, 13530, 15710, 17281, 23565, 34562, 47130, 51843, 64411, 86405, 103686, 128822, 172810, 193233, 259215, 322055, 386466, 518430, 644110, 708521, 966165, 1417042, 1932330, 2125563, 3542605, 4251126, 7085210, 10627815, 21255630]

約数ペア:

[(1, 21255630), (2, 10627815), (3, 7085210), (5, 4251126), (6, 3542605), (10, 2125563), (11, 1932330), (15, 1417042), (22, 966165), (30, 708521), (33, 644110), (41, 518430), (55, 386466), (66, 322055), (82, 259215), (110, 193233), (123, 172810), (165, 128822), (205, 103686), (246, 86405), (330, 64411), (410, 51843), (451, 47130), (615, 34562), (902, 23565), (1230, 17281), (1353, 15710), (1571, 13530), (2255, 9426), (2706, 7855), (3142, 6765), (4510, 4713)]