21958920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 71973720

約数和(自身を除く): 50014800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 181, 337, 360, 362, 543, 674, 724, 905, 1011, 1086, 1348, 1448, 1629, 1685, 1810, 2022, 2172, 2696, 2715, 3033, 3258, 3370, 3620, 4044, 4344, 5055, 5430, 6066, 6516, 6740, 7240, 8088, 8145, 10110, 10860, 12132, 13032, 13480, 15165, 16290, 20220, 21720, 24264, 30330, 32580, 40440, 60660, 60997, 65160, 121320, 121994, 182991, 243988, 304985, 365982, 487976, 548973, 609970, 731964, 914955, 1097946, 1219940, 1463928, 1829910, 2195892, 2439880, 2744865, 3659820, 4391784, 5489730, 7319640, 10979460, 21958920]

約数ペア:

[(1, 21958920), (2, 10979460), (3, 7319640), (4, 5489730), (5, 4391784), (6, 3659820), (8, 2744865), (9, 2439880), (10, 2195892), (12, 1829910), (15, 1463928), (18, 1219940), (20, 1097946), (24, 914955), (30, 731964), (36, 609970), (40, 548973), (45, 487976), (60, 365982), (72, 304985), (90, 243988), (120, 182991), (180, 121994), (181, 121320), (337, 65160), (360, 60997), (362, 60660), (543, 40440), (674, 32580), (724, 30330), (905, 24264), (1011, 21720), (1086, 20220), (1348, 16290), (1448, 15165), (1629, 13480), (1685, 13032), (1810, 12132), (2022, 10860), (2172, 10110), (2696, 8145), (2715, 8088), (3033, 7240), (3258, 6740), (3370, 6516), (3620, 6066), (4044, 5430), (4344, 5055)]