21463704

素因数分解:

$2^3\times 3^5\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 61610640

約数和(自身を除く): 40146936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 81, 108, 122, 162, 181, 183, 216, 243, 244, 324, 362, 366, 486, 488, 543, 549, 648, 724, 732, 972, 1086, 1098, 1448, 1464, 1629, 1647, 1944, 2172, 2196, 3258, 3294, 4344, 4392, 4887, 4941, 6516, 6588, 9774, 9882, 11041, 13032, 13176, 14661, 14823, 19548, 19764, 22082, 29322, 29646, 33123, 39096, 39528, 43983, 44164, 58644, 59292, 66246, 87966, 88328, 99369, 117288, 118584, 132492, 175932, 198738, 264984, 298107, 351864, 397476, 596214, 794952, 894321, 1192428, 1788642, 2384856, 2682963, 3577284, 5365926, 7154568, 10731852, 21463704]

約数ペア:

[(1, 21463704), (2, 10731852), (3, 7154568), (4, 5365926), (6, 3577284), (8, 2682963), (9, 2384856), (12, 1788642), (18, 1192428), (24, 894321), (27, 794952), (36, 596214), (54, 397476), (61, 351864), (72, 298107), (81, 264984), (108, 198738), (122, 175932), (162, 132492), (181, 118584), (183, 117288), (216, 99369), (243, 88328), (244, 87966), (324, 66246), (362, 59292), (366, 58644), (486, 44164), (488, 43983), (543, 39528), (549, 39096), (648, 33123), (724, 29646), (732, 29322), (972, 22082), (1086, 19764), (1098, 19548), (1448, 14823), (1464, 14661), (1629, 13176), (1647, 13032), (1944, 11041), (2172, 9882), (2196, 9774), (3258, 6588), (3294, 6516), (4344, 4941), (4392, 4887)]