21549665090

素因数分解:

$2^1\times 5^1\times {\mathrm{49253}}^1\times {\mathrm{43753}}^1$

素因数の和:93013

約数の個数: 16

約数和(自身を含む): 38791071288

約数和(自身を除く): 17241406198

約数列:

[1, 2, 5, 10, 43753, 49253, 87506, 98506, 218765, 246265, 437530, 492530, 2154966509, 4309933018, 10774832545, 21549665090]

約数ペア:

[(1, 21549665090), (2, 10774832545), (5, 4309933018), (10, 2154966509), (43753, 492530), (49253, 437530), (87506, 246265), (98506, 218765)]