21902535

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8539}}^1$

素因数の和:8572

約数の個数: 32

約数和(自身を含む): 40992000

約数和(自身を除く): 19089465

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 8539, 25617, 42695, 76851, 128085, 162241, 230553, 384255, 486723, 811205, 1152765, 1460169, 2433615, 4380507, 7300845, 21902535]

約数ペア:

[(1, 21902535), (3, 7300845), (5, 4380507), (9, 2433615), (15, 1460169), (19, 1152765), (27, 811205), (45, 486723), (57, 384255), (95, 230553), (135, 162241), (171, 128085), (285, 76851), (513, 42695), (855, 25617), (2565, 8539)]