21662454

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 29659146

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 43, 51, 66, 86, 102, 129, 187, 258, 374, 449, 473, 561, 731, 898, 946, 1122, 1347, 1419, 1462, 2193, 2694, 2838, 4386, 4939, 7633, 8041, 9878, 14817, 15266, 16082, 19307, 22899, 24123, 29634, 38614, 45798, 48246, 57921, 83963, 115842, 167926, 212377, 251889, 328219, 424754, 503778, 637131, 656438, 984657, 1274262, 1969314, 3610409, 7220818, 10831227, 21662454]

約数ペア:

[(1, 21662454), (2, 10831227), (3, 7220818), (6, 3610409), (11, 1969314), (17, 1274262), (22, 984657), (33, 656438), (34, 637131), (43, 503778), (51, 424754), (66, 328219), (86, 251889), (102, 212377), (129, 167926), (187, 115842), (258, 83963), (374, 57921), (449, 48246), (473, 45798), (561, 38614), (731, 29634), (898, 24123), (946, 22899), (1122, 19307), (1347, 16082), (1419, 15266), (1462, 14817), (2193, 9878), (2694, 8041), (2838, 7633), (4386, 4939)]