21925358

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2273}}^1$

素因数の和:2348

約数の個数: 32

約数和(自身を含む): 41259456

約数和(自身を除く): 19334098

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 689, 742, 1378, 2273, 4546, 4823, 9646, 15911, 29549, 31822, 59098, 120469, 206843, 240938, 413686, 843283, 1566097, 1686566, 3132194, 10962679, 21925358]

約数ペア:

[(1, 21925358), (2, 10962679), (7, 3132194), (13, 1686566), (14, 1566097), (26, 843283), (53, 413686), (91, 240938), (106, 206843), (182, 120469), (371, 59098), (689, 31822), (742, 29549), (1378, 15911), (2273, 9646), (4546, 4823)]