21579502

素因数分解:

$2^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 16724498

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 343, 379, 581, 686, 758, 1162, 2653, 4067, 5306, 8134, 18571, 28469, 31457, 37142, 56938, 62914, 129997, 220199, 259994, 440398, 1541393, 3082786, 10789751, 21579502]

約数ペア:

[(1, 21579502), (2, 10789751), (7, 3082786), (14, 1541393), (49, 440398), (83, 259994), (98, 220199), (166, 129997), (343, 62914), (379, 56938), (581, 37142), (686, 31457), (758, 28469), (1162, 18571), (2653, 8134), (4067, 5306)]