21241906392

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{641827}}^1$

素因数の和:642040

約数の個数: 64

約数和(自身を含む): 60999333120

約数和(自身を除く): 39757426728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 197, 394, 591, 788, 1182, 1379, 1576, 2364, 2758, 4137, 4728, 5516, 8274, 11032, 16548, 33096, 641827, 1283654, 1925481, 2567308, 3850962, 4492789, 5134616, 7701924, 8985578, 13478367, 15403848, 17971156, 26956734, 35942312, 53913468, 107826936, 126439919, 252879838, 379319757, 505759676, 758639514, 885079433, 1011519352, 1517279028, 1770158866, 2655238299, 3034558056, 3540317732, 5310476598, 7080635464, 10620953196, 21241906392]

約数ペア:

[(1, 21241906392), (2, 10620953196), (3, 7080635464), (4, 5310476598), (6, 3540317732), (7, 3034558056), (8, 2655238299), (12, 1770158866), (14, 1517279028), (21, 1011519352), (24, 885079433), (28, 758639514), (42, 505759676), (56, 379319757), (84, 252879838), (168, 126439919), (197, 107826936), (394, 53913468), (591, 35942312), (788, 26956734), (1182, 17971156), (1379, 15403848), (1576, 13478367), (2364, 8985578), (2758, 7701924), (4137, 5134616), (4728, 4492789), (5516, 3850962), (8274, 2567308), (11032, 1925481), (16548, 1283654), (33096, 641827)]