21586110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7907}}^1$

素因数の和:7937

約数の個数: 64

約数和(自身を含む): 63770112

約数和(自身を除く): 42184002

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7907, 15814, 23721, 39535, 47442, 55349, 79070, 102791, 110698, 118605, 166047, 205582, 237210, 276745, 308373, 332094, 513955, 553490, 616746, 719537, 830235, 1027910, 1439074, 1541865, 1660470, 2158611, 3083730, 3597685, 4317222, 7195370, 10793055, 21586110]

約数ペア:

[(1, 21586110), (2, 10793055), (3, 7195370), (5, 4317222), (6, 3597685), (7, 3083730), (10, 2158611), (13, 1660470), (14, 1541865), (15, 1439074), (21, 1027910), (26, 830235), (30, 719537), (35, 616746), (39, 553490), (42, 513955), (65, 332094), (70, 308373), (78, 276745), (91, 237210), (105, 205582), (130, 166047), (182, 118605), (195, 110698), (210, 102791), (273, 79070), (390, 55349), (455, 47442), (546, 39535), (910, 23721), (1365, 15814), (2730, 7907)]