21343450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 20216390

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 83, 139, 166, 185, 278, 370, 415, 695, 830, 925, 1390, 1850, 2075, 3071, 3475, 4150, 5143, 6142, 6950, 10286, 11537, 15355, 23074, 25715, 30710, 51430, 57685, 76775, 115370, 128575, 153550, 257150, 288425, 426869, 576850, 853738, 2134345, 4268690, 10671725, 21343450]

約数ペア:

[(1, 21343450), (2, 10671725), (5, 4268690), (10, 2134345), (25, 853738), (37, 576850), (50, 426869), (74, 288425), (83, 257150), (139, 153550), (166, 128575), (185, 115370), (278, 76775), (370, 57685), (415, 51430), (695, 30710), (830, 25715), (925, 23074), (1390, 15355), (1850, 11537), (2075, 10286), (3071, 6950), (3475, 6142), (4150, 5143)]