21842115

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 37082880

約数和(自身を除く): 15240765

約数列:

[1, 3, 5, 15, 19, 57, 95, 173, 285, 443, 519, 865, 1329, 2215, 2595, 3287, 6645, 8417, 9861, 16435, 25251, 42085, 49305, 76639, 126255, 229917, 383195, 1149585, 1456141, 4368423, 7280705, 21842115]

約数ペア:

[(1, 21842115), (3, 7280705), (5, 4368423), (15, 1456141), (19, 1149585), (57, 383195), (95, 229917), (173, 126255), (285, 76639), (443, 49305), (519, 42085), (865, 25251), (1329, 16435), (2215, 9861), (2595, 8417), (3287, 6645)]