21974108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{967}}^1$

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 45534720

約数和(自身を除く): 23560612

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 92, 247, 299, 437, 494, 598, 874, 967, 988, 1196, 1748, 1934, 3868, 5681, 11362, 12571, 18373, 22241, 22724, 25142, 36746, 44482, 50284, 73492, 88964, 238849, 289133, 422579, 477698, 578266, 845158, 955396, 1156532, 1690316, 5493527, 10987054, 21974108]

約数ペア:

[(1, 21974108), (2, 10987054), (4, 5493527), (13, 1690316), (19, 1156532), (23, 955396), (26, 845158), (38, 578266), (46, 477698), (52, 422579), (76, 289133), (92, 238849), (247, 88964), (299, 73492), (437, 50284), (494, 44482), (598, 36746), (874, 25142), (967, 22724), (988, 22241), (1196, 18373), (1748, 12571), (1934, 11362), (3868, 5681)]