21573675

素因数分解:

$3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 40949760

約数和(自身を除く): 19376085

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 93, 135, 155, 225, 279, 465, 675, 775, 837, 1031, 1395, 2325, 3093, 4185, 5155, 6975, 9279, 15465, 20925, 25775, 27837, 31961, 46395, 77325, 95883, 139185, 159805, 231975, 287649, 479415, 695925, 799025, 862947, 1438245, 2397075, 4314735, 7191225, 21573675]

約数ペア:

[(1, 21573675), (3, 7191225), (5, 4314735), (9, 2397075), (15, 1438245), (25, 862947), (27, 799025), (31, 695925), (45, 479415), (75, 287649), (93, 231975), (135, 159805), (155, 139185), (225, 95883), (279, 77325), (465, 46395), (675, 31961), (775, 27837), (837, 25775), (1031, 20925), (1395, 15465), (2325, 9279), (3093, 6975), (4185, 5155)]