21358624

素因数分解:

$2^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{983}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 48601728

約数和(自身を除く): 27243104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 983, 1358, 1552, 1966, 2716, 3104, 3932, 5432, 6881, 7864, 10864, 13762, 15728, 21728, 27524, 31456, 55048, 95351, 110096, 190702, 220192, 381404, 667457, 762808, 1334914, 1525616, 2669828, 3051232, 5339656, 10679312, 21358624]

約数ペア:

[(1, 21358624), (2, 10679312), (4, 5339656), (7, 3051232), (8, 2669828), (14, 1525616), (16, 1334914), (28, 762808), (32, 667457), (56, 381404), (97, 220192), (112, 190702), (194, 110096), (224, 95351), (388, 55048), (679, 31456), (776, 27524), (983, 21728), (1358, 15728), (1552, 13762), (1966, 10864), (2716, 7864), (3104, 6881), (3932, 5432)]