21089826

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^3$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 49592088

約数和(自身を除く): 28502262

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 41, 51, 82, 102, 123, 153, 246, 306, 369, 697, 738, 1394, 1681, 2091, 3362, 4182, 5043, 6273, 10086, 12546, 15129, 28577, 30258, 57154, 68921, 85731, 137842, 171462, 206763, 257193, 413526, 514386, 620289, 1171657, 1240578, 2343314, 3514971, 7029942, 10544913, 21089826]

約数ペア:

[(1, 21089826), (2, 10544913), (3, 7029942), (6, 3514971), (9, 2343314), (17, 1240578), (18, 1171657), (34, 620289), (41, 514386), (51, 413526), (82, 257193), (102, 206763), (123, 171462), (153, 137842), (246, 85731), (306, 68921), (369, 57154), (697, 30258), (738, 28577), (1394, 15129), (1681, 12546), (2091, 10086), (3362, 6273), (4182, 5043)]