21260196

素因数分解:

$2^2\times 3^2\times {\mathrm{151}}^1\times {\mathrm{3911}}^1$

素因数の和:4072

約数の個数: 36

約数和(自身を含む): 54110784

約数和(自身を除く): 32850588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 151, 302, 453, 604, 906, 1359, 1812, 2718, 3911, 5436, 7822, 11733, 15644, 23466, 35199, 46932, 70398, 140796, 590561, 1181122, 1771683, 2362244, 3543366, 5315049, 7086732, 10630098, 21260196]

約数ペア:

[(1, 21260196), (2, 10630098), (3, 7086732), (4, 5315049), (6, 3543366), (9, 2362244), (12, 1771683), (18, 1181122), (36, 590561), (151, 140796), (302, 70398), (453, 46932), (604, 35199), (906, 23466), (1359, 15644), (1812, 11733), (2718, 7822), (3911, 5436)]