21238859904

素因数分解:

$2^7\times 3^1\times {\mathrm{55309531}}^1$

素因数の和:55309548

約数の個数: 32

約数和(自身を含む): 56415722640

約数和(自身を除く): 35176862736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 55309531, 110619062, 165928593, 221238124, 331857186, 442476248, 663714372, 884952496, 1327428744, 1769904992, 2654857488, 3539809984, 5309714976, 7079619968, 10619429952, 21238859904]

約数ペア:

[(1, 21238859904), (2, 10619429952), (3, 7079619968), (4, 5309714976), (6, 3539809984), (8, 2654857488), (12, 1769904992), (16, 1327428744), (24, 884952496), (32, 663714372), (48, 442476248), (64, 331857186), (96, 221238124), (128, 165928593), (192, 110619062), (384, 55309531)]