21578648

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29641}}^1$

素因数の和:29667

約数の個数: 32

約数和(自身を含む): 49798560

約数和(自身を除く): 28219912

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29641, 59282, 118564, 207487, 237128, 385333, 414974, 770666, 829948, 1541332, 1659896, 2697331, 3082664, 5394662, 10789324, 21578648]

約数ペア:

[(1, 21578648), (2, 10789324), (4, 5394662), (7, 3082664), (8, 2697331), (13, 1659896), (14, 1541332), (26, 829948), (28, 770666), (52, 414974), (56, 385333), (91, 237128), (104, 207487), (182, 118564), (364, 59282), (728, 29641)]