21167691550

素因数分解:

$2^1\times 5^2\times {\mathrm{4969}}^1\times {\mathrm{85199}}^1$

素因数の和:90180

約数の個数: 24

約数和(自身を含む): 39380292000

約数和(自身を除く): 18212600450

約数列:

[1, 2, 5, 10, 25, 50, 4969, 9938, 24845, 49690, 85199, 124225, 170398, 248450, 425995, 851990, 2129975, 4259950, 423353831, 846707662, 2116769155, 4233538310, 10583845775, 21167691550]

約数ペア:

[(1, 21167691550), (2, 10583845775), (5, 4233538310), (10, 2116769155), (25, 846707662), (50, 423353831), (4969, 4259950), (9938, 2129975), (24845, 851990), (49690, 425995), (85199, 248450), (124225, 170398)]