21949410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{823}}^1$

素因数の和:967

約数の個数: 64

約数和(自身を含む): 60751872

約数和(自身を除く): 38802462

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 127, 210, 254, 381, 635, 762, 823, 889, 1270, 1646, 1778, 1905, 2469, 2667, 3810, 4115, 4445, 4938, 5334, 5761, 8230, 8890, 11522, 12345, 13335, 17283, 24690, 26670, 28805, 34566, 57610, 86415, 104521, 172830, 209042, 313563, 522605, 627126, 731647, 1045210, 1463294, 1567815, 2194941, 3135630, 3658235, 4389882, 7316470, 10974705, 21949410]

約数ペア:

[(1, 21949410), (2, 10974705), (3, 7316470), (5, 4389882), (6, 3658235), (7, 3135630), (10, 2194941), (14, 1567815), (15, 1463294), (21, 1045210), (30, 731647), (35, 627126), (42, 522605), (70, 313563), (105, 209042), (127, 172830), (210, 104521), (254, 86415), (381, 57610), (635, 34566), (762, 28805), (823, 26670), (889, 24690), (1270, 17283), (1646, 13335), (1778, 12345), (1905, 11522), (2469, 8890), (2667, 8230), (3810, 5761), (4115, 5334), (4445, 4938)]