21617504

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{4931}}^1$

素因数の和:5078

約数の個数: 24

約数和(自身を含む): 42878808

約数和(自身を除く): 21261304

約数列:

[1, 2, 4, 8, 16, 32, 137, 274, 548, 1096, 2192, 4384, 4931, 9862, 19724, 39448, 78896, 157792, 675547, 1351094, 2702188, 5404376, 10808752, 21617504]

約数ペア:

[(1, 21617504), (2, 10808752), (4, 5404376), (8, 2702188), (16, 1351094), (32, 675547), (137, 157792), (274, 78896), (548, 39448), (1096, 19724), (2192, 9862), (4384, 4931)]