21976730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 22813030

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 47, 94, 95, 107, 115, 190, 214, 230, 235, 437, 470, 535, 874, 893, 1070, 1081, 1786, 2033, 2162, 2185, 2461, 4066, 4370, 4465, 4922, 5029, 5405, 8930, 10058, 10165, 10810, 12305, 20330, 20539, 24610, 25145, 41078, 46759, 50290, 93518, 95551, 102695, 115667, 191102, 205390, 231334, 233795, 467590, 477755, 578335, 955510, 1156670, 2197673, 4395346, 10988365, 21976730]

約数ペア:

[(1, 21976730), (2, 10988365), (5, 4395346), (10, 2197673), (19, 1156670), (23, 955510), (38, 578335), (46, 477755), (47, 467590), (94, 233795), (95, 231334), (107, 205390), (115, 191102), (190, 115667), (214, 102695), (230, 95551), (235, 93518), (437, 50290), (470, 46759), (535, 41078), (874, 25145), (893, 24610), (1070, 20539), (1081, 20330), (1786, 12305), (2033, 10810), (2162, 10165), (2185, 10058), (2461, 8930), (4066, 5405), (4370, 5029), (4465, 4922)]