21554928

素因数分解:

$2^4\times 3^2\times {\mathrm{181}}^1\times {\mathrm{827}}^1$

素因数の和:1022

約数の個数: 60

約数和(自身を含む): 60730488

約数和(自身を除く): 39175560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 181, 362, 543, 724, 827, 1086, 1448, 1629, 1654, 2172, 2481, 2896, 3258, 3308, 4344, 4962, 6516, 6616, 7443, 8688, 9924, 13032, 13232, 14886, 19848, 26064, 29772, 39696, 59544, 119088, 149687, 299374, 449061, 598748, 898122, 1197496, 1347183, 1796244, 2394992, 2694366, 3592488, 5388732, 7184976, 10777464, 21554928]

約数ペア:

[(1, 21554928), (2, 10777464), (3, 7184976), (4, 5388732), (6, 3592488), (8, 2694366), (9, 2394992), (12, 1796244), (16, 1347183), (18, 1197496), (24, 898122), (36, 598748), (48, 449061), (72, 299374), (144, 149687), (181, 119088), (362, 59544), (543, 39696), (724, 29772), (827, 26064), (1086, 19848), (1448, 14886), (1629, 13232), (1654, 13032), (2172, 9924), (2481, 8688), (2896, 7443), (3258, 6616), (3308, 6516), (4344, 4962)]