21023518

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:720

約数の個数: 24

約数和(自身を含む): 34082496

約数和(自身を除く): 13058978

約数列:

[1, 2, 23, 31, 46, 62, 529, 641, 713, 1058, 1282, 1426, 14743, 16399, 19871, 29486, 32798, 39742, 339089, 457033, 678178, 914066, 10511759, 21023518]

約数ペア:

[(1, 21023518), (2, 10511759), (23, 914066), (31, 678178), (46, 457033), (62, 339089), (529, 39742), (641, 32798), (713, 29486), (1058, 19871), (1282, 16399), (1426, 14743)]