21823340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 58834944

約数和(自身を除く): 37011604

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 259, 308, 370, 383, 385, 407, 518, 740, 766, 770, 814, 1036, 1295, 1532, 1540, 1628, 1915, 2035, 2590, 2681, 2849, 3830, 4070, 4213, 5180, 5362, 5698, 7660, 8140, 8426, 10724, 11396, 13405, 14171, 14245, 16852, 21065, 26810, 28342, 28490, 29491, 42130, 53620, 56684, 56980, 58982, 70855, 84260, 99197, 117964, 141710, 147455, 155881, 198394, 283420, 294910, 311762, 396788, 495985, 589820, 623524, 779405, 991970, 1091167, 1558810, 1983940, 2182334, 3117620, 4364668, 5455835, 10911670, 21823340]

約数ペア:

[(1, 21823340), (2, 10911670), (4, 5455835), (5, 4364668), (7, 3117620), (10, 2182334), (11, 1983940), (14, 1558810), (20, 1091167), (22, 991970), (28, 779405), (35, 623524), (37, 589820), (44, 495985), (55, 396788), (70, 311762), (74, 294910), (77, 283420), (110, 198394), (140, 155881), (148, 147455), (154, 141710), (185, 117964), (220, 99197), (259, 84260), (308, 70855), (370, 58982), (383, 56980), (385, 56684), (407, 53620), (518, 42130), (740, 29491), (766, 28490), (770, 28342), (814, 26810), (1036, 21065), (1295, 16852), (1532, 14245), (1540, 14171), (1628, 13405), (1915, 11396), (2035, 10724), (2590, 8426), (2681, 8140), (2849, 7660), (3830, 5698), (4070, 5362), (4213, 5180)]