21629505

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2617}}^1$

素因数の和:2673

約数の個数: 32

約数和(自身を含む): 37699200

約数和(自身を除く): 16069695

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2617, 2755, 7851, 8265, 13085, 39255, 49723, 75893, 149169, 227679, 248615, 379465, 745845, 1138395, 1441967, 4325901, 7209835, 21629505]

約数ペア:

[(1, 21629505), (3, 7209835), (5, 4325901), (15, 1441967), (19, 1138395), (29, 745845), (57, 379465), (87, 248615), (95, 227679), (145, 149169), (285, 75893), (435, 49723), (551, 39255), (1653, 13085), (2617, 8265), (2755, 7851)]