21315408

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10831}}^1$

素因数の和:10883

約数の個数: 40

約数和(自身を含む): 56413056

約数和(自身を除く): 35097648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10831, 21662, 32493, 43324, 64986, 86648, 129972, 173296, 259944, 444071, 519888, 888142, 1332213, 1776284, 2664426, 3552568, 5328852, 7105136, 10657704, 21315408]

約数ペア:

[(1, 21315408), (2, 10657704), (3, 7105136), (4, 5328852), (6, 3552568), (8, 2664426), (12, 1776284), (16, 1332213), (24, 888142), (41, 519888), (48, 444071), (82, 259944), (123, 173296), (164, 129972), (246, 86648), (328, 64986), (492, 43324), (656, 32493), (984, 21662), (1968, 10831)]