21549918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1597}}^1$

素因数の和:1788

約数の個数: 32

約数和(自身を含む): 46712736

約数和(自身を除く): 25162818

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 346, 519, 1038, 1597, 2249, 3194, 4498, 4791, 6747, 9582, 13494, 20761, 41522, 62283, 124566, 276281, 552562, 828843, 1657686, 3591653, 7183306, 10774959, 21549918]

約数ペア:

[(1, 21549918), (2, 10774959), (3, 7183306), (6, 3591653), (13, 1657686), (26, 828843), (39, 552562), (78, 276281), (173, 124566), (346, 62283), (519, 41522), (1038, 20761), (1597, 13494), (2249, 9582), (3194, 6747), (4498, 4791)]