21753375455

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1\times {\mathrm{479}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 31303065600

約数和(自身を除く): 9549690145

約数列:

[1, 5, 7, 29, 35, 101, 145, 203, 443, 479, 505, 707, 1015, 2215, 2395, 2929, 3101, 3353, 3535, 12847, 13891, 14645, 15505, 16765, 20503, 44743, 48379, 64235, 69455, 89929, 97237, 102515, 212197, 223715, 241895, 313201, 338653, 449645, 486185, 1060985, 1297547, 1402991, 1485379, 1566005, 1693265, 6153713, 6487735, 7014955, 7426895, 9082829, 9820937, 21431897, 30768565, 43075991, 45414145, 49104685, 107159485, 150023279, 215379955, 621525013, 750116395, 3107625065, 4350675091, 21753375455]

約数ペア:

[(1, 21753375455), (5, 4350675091), (7, 3107625065), (29, 750116395), (35, 621525013), (101, 215379955), (145, 150023279), (203, 107159485), (443, 49104685), (479, 45414145), (505, 43075991), (707, 30768565), (1015, 21431897), (2215, 9820937), (2395, 9082829), (2929, 7426895), (3101, 7014955), (3353, 6487735), (3535, 6153713), (12847, 1693265), (13891, 1566005), (14645, 1485379), (15505, 1402991), (16765, 1297547), (20503, 1060985), (44743, 486185), (48379, 449645), (64235, 338653), (69455, 313201), (89929, 241895), (97237, 223715), (102515, 212197)]