21713888

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:160

約数の個数: 96

約数和(自身を含む): 52254720

約数和(自身を除く): 30540832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 53, 56, 59, 62, 106, 112, 118, 124, 212, 217, 224, 236, 248, 371, 413, 424, 434, 472, 496, 742, 826, 848, 868, 944, 992, 1484, 1643, 1652, 1696, 1736, 1829, 1888, 2968, 3127, 3286, 3304, 3472, 3658, 5936, 6254, 6572, 6608, 6944, 7316, 11501, 11872, 12508, 12803, 13144, 13216, 14632, 21889, 23002, 25016, 25606, 26288, 29264, 43778, 46004, 50032, 51212, 52576, 58528, 87556, 92008, 96937, 100064, 102424, 175112, 184016, 193874, 204848, 350224, 368032, 387748, 409696, 678559, 700448, 775496, 1357118, 1550992, 2714236, 3101984, 5428472, 10856944, 21713888]

約数ペア:

[(1, 21713888), (2, 10856944), (4, 5428472), (7, 3101984), (8, 2714236), (14, 1550992), (16, 1357118), (28, 775496), (31, 700448), (32, 678559), (53, 409696), (56, 387748), (59, 368032), (62, 350224), (106, 204848), (112, 193874), (118, 184016), (124, 175112), (212, 102424), (217, 100064), (224, 96937), (236, 92008), (248, 87556), (371, 58528), (413, 52576), (424, 51212), (434, 50032), (472, 46004), (496, 43778), (742, 29264), (826, 26288), (848, 25606), (868, 25016), (944, 23002), (992, 21889), (1484, 14632), (1643, 13216), (1652, 13144), (1696, 12803), (1736, 12508), (1829, 11872), (1888, 11501), (2968, 7316), (3127, 6944), (3286, 6608), (3304, 6572), (3472, 6254), (3658, 5936)]