21251394

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1877}}^1$

素因数の和:1939

約数の個数: 48

約数和(自身を含む): 50097528

約数和(自身を除く): 28846134

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 37, 51, 74, 102, 111, 153, 222, 306, 333, 629, 666, 1258, 1877, 1887, 3754, 3774, 5631, 5661, 11262, 11322, 16893, 31909, 33786, 63818, 69449, 95727, 138898, 191454, 208347, 287181, 416694, 574362, 625041, 1180633, 1250082, 2361266, 3541899, 7083798, 10625697, 21251394]

約数ペア:

[(1, 21251394), (2, 10625697), (3, 7083798), (6, 3541899), (9, 2361266), (17, 1250082), (18, 1180633), (34, 625041), (37, 574362), (51, 416694), (74, 287181), (102, 208347), (111, 191454), (153, 138898), (222, 95727), (306, 69449), (333, 63818), (629, 33786), (666, 31909), (1258, 16893), (1877, 11322), (1887, 11262), (3754, 5661), (3774, 5631)]