21917298052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1447}}^1\times {\mathrm{4937}}^1$

素因数の和:6460

約数の個数: 48

約数和(自身を含む): 42043317120

約数和(自身を除く): 20126019068

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1447, 1534, 2894, 3068, 4937, 5788, 9874, 18811, 19748, 37622, 64181, 75244, 85373, 128362, 170746, 256724, 291283, 341492, 582566, 1109849, 1165132, 2219698, 3786679, 4439396, 7143839, 7573358, 14287678, 15146716, 28575356, 92869907, 185739814, 371479628, 421486501, 842973002, 1685946004, 5479324513, 10958649026, 21917298052]

約数ペア:

[(1, 21917298052), (2, 10958649026), (4, 5479324513), (13, 1685946004), (26, 842973002), (52, 421486501), (59, 371479628), (118, 185739814), (236, 92869907), (767, 28575356), (1447, 15146716), (1534, 14287678), (2894, 7573358), (3068, 7143839), (4937, 4439396), (5788, 3786679), (9874, 2219698), (18811, 1165132), (19748, 1109849), (37622, 582566), (64181, 341492), (75244, 291283), (85373, 256724), (128362, 170746)]