21594760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2887}}^1$

素因数の和:2926

約数の個数: 64

約数和(自身を含む): 56142720

約数和(自身を除く): 34547960

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2887, 3740, 5774, 7480, 11548, 14435, 23096, 28870, 31757, 49079, 57740, 63514, 98158, 115480, 127028, 158785, 196316, 245395, 254056, 317570, 392632, 490790, 539869, 635140, 981580, 1079738, 1270280, 1963160, 2159476, 2699345, 4318952, 5398690, 10797380, 21594760]

約数ペア:

[(1, 21594760), (2, 10797380), (4, 5398690), (5, 4318952), (8, 2699345), (10, 2159476), (11, 1963160), (17, 1270280), (20, 1079738), (22, 981580), (34, 635140), (40, 539869), (44, 490790), (55, 392632), (68, 317570), (85, 254056), (88, 245395), (110, 196316), (136, 158785), (170, 127028), (187, 115480), (220, 98158), (340, 63514), (374, 57740), (440, 49079), (680, 31757), (748, 28870), (935, 23096), (1496, 14435), (1870, 11548), (2887, 7480), (3740, 5774)]