21038490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 39614310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 79, 90, 99, 110, 158, 165, 198, 237, 269, 330, 395, 474, 495, 538, 711, 790, 807, 869, 990, 1185, 1345, 1422, 1614, 1738, 2370, 2421, 2607, 2690, 2959, 3555, 4035, 4345, 4842, 5214, 5918, 7110, 7821, 8070, 8690, 8877, 12105, 13035, 14795, 15642, 17754, 21251, 24210, 26070, 26631, 29590, 39105, 42502, 44385, 53262, 63753, 78210, 88770, 106255, 127506, 133155, 191259, 212510, 233761, 266310, 318765, 382518, 467522, 637530, 701283, 956295, 1168805, 1402566, 1912590, 2103849, 2337610, 3506415, 4207698, 7012830, 10519245, 21038490]

約数ペア:

[(1, 21038490), (2, 10519245), (3, 7012830), (5, 4207698), (6, 3506415), (9, 2337610), (10, 2103849), (11, 1912590), (15, 1402566), (18, 1168805), (22, 956295), (30, 701283), (33, 637530), (45, 467522), (55, 382518), (66, 318765), (79, 266310), (90, 233761), (99, 212510), (110, 191259), (158, 133155), (165, 127506), (198, 106255), (237, 88770), (269, 78210), (330, 63753), (395, 53262), (474, 44385), (495, 42502), (538, 39105), (711, 29590), (790, 26631), (807, 26070), (869, 24210), (990, 21251), (1185, 17754), (1345, 15642), (1422, 14795), (1614, 13035), (1738, 12105), (2370, 8877), (2421, 8690), (2607, 8070), (2690, 7821), (2959, 7110), (3555, 5918), (4035, 5214), (4345, 4842)]