21022438

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{983}}^1$

素因数の和:1056

約数の個数: 24

約数和(自身を含む): 34438032

約数和(自身を除く): 13415594

約数列:

[1, 2, 17, 34, 37, 74, 289, 578, 629, 983, 1258, 1966, 10693, 16711, 21386, 33422, 36371, 72742, 284087, 568174, 618307, 1236614, 10511219, 21022438]

約数ペア:

[(1, 21022438), (2, 10511219), (17, 1236614), (34, 618307), (37, 568174), (74, 284087), (289, 72742), (578, 36371), (629, 33422), (983, 21386), (1258, 16711), (1966, 10693)]