21928430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1423}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 41831424

約数和(自身を除く): 19902994

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1423, 1541, 2846, 3082, 7115, 7705, 14230, 15410, 32729, 65458, 95341, 163645, 190682, 327290, 476705, 953410, 2192843, 4385686, 10964215, 21928430]

約数ペア:

[(1, 21928430), (2, 10964215), (5, 4385686), (10, 2192843), (23, 953410), (46, 476705), (67, 327290), (115, 190682), (134, 163645), (230, 95341), (335, 65458), (670, 32729), (1423, 15410), (1541, 14230), (2846, 7705), (3082, 7115)]