21398310

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1933}}^1$

素因数の和:1990

約数の個数: 64

約数和(自身を含む): 58484160

約数和(自身を除く): 37085850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 82, 90, 123, 135, 205, 246, 270, 369, 410, 615, 738, 1107, 1230, 1845, 1933, 2214, 3690, 3866, 5535, 5799, 9665, 11070, 11598, 17397, 19330, 28995, 34794, 52191, 57990, 79253, 86985, 104382, 158506, 173970, 237759, 260955, 396265, 475518, 521910, 713277, 792530, 1188795, 1426554, 2139831, 2377590, 3566385, 4279662, 7132770, 10699155, 21398310]

約数ペア:

[(1, 21398310), (2, 10699155), (3, 7132770), (5, 4279662), (6, 3566385), (9, 2377590), (10, 2139831), (15, 1426554), (18, 1188795), (27, 792530), (30, 713277), (41, 521910), (45, 475518), (54, 396265), (82, 260955), (90, 237759), (123, 173970), (135, 158506), (205, 104382), (246, 86985), (270, 79253), (369, 57990), (410, 52191), (615, 34794), (738, 28995), (1107, 19330), (1230, 17397), (1845, 11598), (1933, 11070), (2214, 9665), (3690, 5799), (3866, 5535)]