21851122264

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1\times {\mathrm{599}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 42402528000

約数和(自身を除く): 20551405736

約数列:

[1, 2, 4, 8, 37, 74, 148, 251, 296, 491, 502, 599, 982, 1004, 1198, 1964, 2008, 2396, 3928, 4792, 9287, 18167, 18574, 22163, 36334, 37148, 44326, 72668, 74296, 88652, 123241, 145336, 150349, 177304, 246482, 294109, 300698, 492964, 588218, 601396, 985928, 1176436, 1202792, 2352872, 4559917, 5562913, 9119834, 10882033, 11125826, 18239668, 21764066, 22251652, 36479336, 43528132, 44503304, 73821359, 87056264, 147642718, 295285436, 590570872, 2731390283, 5462780566, 10925561132, 21851122264]

約数ペア:

[(1, 21851122264), (2, 10925561132), (4, 5462780566), (8, 2731390283), (37, 590570872), (74, 295285436), (148, 147642718), (251, 87056264), (296, 73821359), (491, 44503304), (502, 43528132), (599, 36479336), (982, 22251652), (1004, 21764066), (1198, 18239668), (1964, 11125826), (2008, 10882033), (2396, 9119834), (3928, 5562913), (4792, 4559917), (9287, 2352872), (18167, 1202792), (18574, 1176436), (22163, 985928), (36334, 601396), (37148, 588218), (44326, 492964), (72668, 300698), (74296, 294109), (88652, 246482), (123241, 177304), (145336, 150349)]