21979470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 56733696

約数和(自身を除く): 34754226

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 71, 85, 102, 142, 170, 213, 255, 355, 426, 510, 607, 710, 1065, 1207, 1214, 1821, 2130, 2414, 3035, 3621, 3642, 6035, 6070, 7242, 9105, 10319, 12070, 18105, 18210, 20638, 30957, 36210, 43097, 51595, 61914, 86194, 103190, 129291, 154785, 215485, 258582, 309570, 430970, 646455, 732649, 1292910, 1465298, 2197947, 3663245, 4395894, 7326490, 10989735, 21979470]

約数ペア:

[(1, 21979470), (2, 10989735), (3, 7326490), (5, 4395894), (6, 3663245), (10, 2197947), (15, 1465298), (17, 1292910), (30, 732649), (34, 646455), (51, 430970), (71, 309570), (85, 258582), (102, 215485), (142, 154785), (170, 129291), (213, 103190), (255, 86194), (355, 61914), (426, 51595), (510, 43097), (607, 36210), (710, 30957), (1065, 20638), (1207, 18210), (1214, 18105), (1821, 12070), (2130, 10319), (2414, 9105), (3035, 7242), (3621, 6070), (3642, 6035)]