21354030

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:703

約数の個数: 80

約数和(自身を含む): 58910544

約数和(自身を除く): 37556514

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 81, 82, 90, 123, 135, 162, 205, 246, 270, 369, 405, 410, 615, 643, 738, 810, 1107, 1230, 1286, 1845, 1929, 2214, 3215, 3321, 3690, 3858, 5535, 5787, 6430, 6642, 9645, 11070, 11574, 16605, 17361, 19290, 26363, 28935, 33210, 34722, 52083, 52726, 57870, 79089, 86805, 104166, 131815, 158178, 173610, 237267, 260415, 263630, 395445, 474534, 520830, 711801, 790890, 1186335, 1423602, 2135403, 2372670, 3559005, 4270806, 7118010, 10677015, 21354030]

約数ペア:

[(1, 21354030), (2, 10677015), (3, 7118010), (5, 4270806), (6, 3559005), (9, 2372670), (10, 2135403), (15, 1423602), (18, 1186335), (27, 790890), (30, 711801), (41, 520830), (45, 474534), (54, 395445), (81, 263630), (82, 260415), (90, 237267), (123, 173610), (135, 158178), (162, 131815), (205, 104166), (246, 86805), (270, 79089), (369, 57870), (405, 52726), (410, 52083), (615, 34722), (643, 33210), (738, 28935), (810, 26363), (1107, 19290), (1230, 17361), (1286, 16605), (1845, 11574), (1929, 11070), (2214, 9645), (3215, 6642), (3321, 6430), (3690, 5787), (3858, 5535)]