21318378

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{641}}^1$

素因数の和:910

約数の個数: 32

約数和(自身を含む): 44744832

約数和(自身を除く): 23426454

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 241, 482, 641, 723, 1282, 1446, 1923, 3846, 5543, 11086, 14743, 16629, 29486, 33258, 44229, 88458, 154481, 308962, 463443, 926886, 3553063, 7106126, 10659189, 21318378]

約数ペア:

[(1, 21318378), (2, 10659189), (3, 7106126), (6, 3553063), (23, 926886), (46, 463443), (69, 308962), (138, 154481), (241, 88458), (482, 44229), (641, 33258), (723, 29486), (1282, 16629), (1446, 14743), (1923, 11086), (3846, 5543)]