21060798

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 48432384

約数和(自身を除く): 27371586

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 43, 66, 82, 86, 123, 129, 181, 246, 258, 362, 451, 473, 543, 902, 946, 1086, 1353, 1419, 1763, 1991, 2706, 2838, 3526, 3982, 5289, 5973, 7421, 7783, 10578, 11946, 14842, 15566, 19393, 22263, 23349, 38786, 44526, 46698, 58179, 81631, 85613, 116358, 163262, 171226, 244893, 256839, 319103, 489786, 513678, 638206, 957309, 1914618, 3510133, 7020266, 10530399, 21060798]

約数ペア:

[(1, 21060798), (2, 10530399), (3, 7020266), (6, 3510133), (11, 1914618), (22, 957309), (33, 638206), (41, 513678), (43, 489786), (66, 319103), (82, 256839), (86, 244893), (123, 171226), (129, 163262), (181, 116358), (246, 85613), (258, 81631), (362, 58179), (451, 46698), (473, 44526), (543, 38786), (902, 23349), (946, 22263), (1086, 19393), (1353, 15566), (1419, 14842), (1763, 11946), (1991, 10578), (2706, 7783), (2838, 7421), (3526, 5973), (3982, 5289)]