21671475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5897}}^1$

素因数の和:5924

約数の個数: 36

約数和(自身を含む): 41687064

約数和(自身を除く): 20015589

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5897, 17691, 29485, 41279, 88455, 123837, 147425, 206395, 288953, 442275, 619185, 866859, 1031975, 1444765, 3095925, 4334295, 7223825, 21671475]

約数ペア:

[(1, 21671475), (3, 7223825), (5, 4334295), (7, 3095925), (15, 1444765), (21, 1031975), (25, 866859), (35, 619185), (49, 442275), (75, 288953), (105, 206395), (147, 147425), (175, 123837), (245, 88455), (525, 41279), (735, 29485), (1225, 17691), (3675, 5897)]