21271410

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{26261}}^1$

素因数の和:26280

約数の個数: 40

約数和(自身を含む): 57198636

約数和(自身を除く): 35927226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 26261, 52522, 78783, 131305, 157566, 236349, 262610, 393915, 472698, 709047, 787830, 1181745, 1418094, 2127141, 2363490, 3545235, 4254282, 7090470, 10635705, 21271410]

約数ペア:

[(1, 21271410), (2, 10635705), (3, 7090470), (5, 4254282), (6, 3545235), (9, 2363490), (10, 2127141), (15, 1418094), (18, 1181745), (27, 787830), (30, 709047), (45, 472698), (54, 393915), (81, 262610), (90, 236349), (135, 157566), (162, 131305), (270, 78783), (405, 52522), (810, 26261)]