21252994768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1889491}}^1$

素因数の和:1889555

約数の個数: 40

約数和(自身を含む): 44516431520

約数和(自身を除く): 23263436752

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 2812, 5624, 11248, 1889491, 3778982, 7557964, 15115928, 30231856, 35900329, 69911167, 71800658, 139822334, 143601316, 279644668, 287202632, 559289336, 574405264, 1118578672, 1328312173, 2656624346, 5313248692, 10626497384, 21252994768]

約数ペア:

[(1, 21252994768), (2, 10626497384), (4, 5313248692), (8, 2656624346), (16, 1328312173), (19, 1118578672), (37, 574405264), (38, 559289336), (74, 287202632), (76, 279644668), (148, 143601316), (152, 139822334), (296, 71800658), (304, 69911167), (592, 35900329), (703, 30231856), (1406, 15115928), (2812, 7557964), (5624, 3778982), (11248, 1889491)]