21877275

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{5953}}^1$

素因数の和:5980

約数の個数: 36

約数和(自身を含む): 42082872

約数和(自身を除く): 20205597

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 5953, 17859, 29765, 41671, 89295, 125013, 148825, 208355, 291697, 446475, 625065, 875091, 1041775, 1458485, 3125325, 4375455, 7292425, 21877275]

約数ペア:

[(1, 21877275), (3, 7292425), (5, 4375455), (7, 3125325), (15, 1458485), (21, 1041775), (25, 875091), (35, 625065), (49, 446475), (75, 291697), (105, 208355), (147, 148825), (175, 125013), (245, 89295), (525, 41671), (735, 29765), (1225, 17859), (3675, 5953)]