21008974

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 39082176

約数和(自身を除く): 18073202

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 574, 697, 1394, 2153, 4306, 4879, 9758, 15071, 30142, 36601, 73202, 88273, 176546, 256207, 512414, 617911, 1235822, 1500641, 3001282, 10504487, 21008974]

約数ペア:

[(1, 21008974), (2, 10504487), (7, 3001282), (14, 1500641), (17, 1235822), (34, 617911), (41, 512414), (82, 256207), (119, 176546), (238, 88273), (287, 73202), (574, 36601), (697, 30142), (1394, 15071), (2153, 9758), (4306, 4879)]