21226260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1109}}^1$

素因数の和:1161

約数の個数: 96

約数和(自身を含む): 67132800

約数和(自身を除く): 45906540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 957, 1109, 1276, 1595, 1740, 1914, 2218, 3190, 3327, 3828, 4436, 4785, 5545, 6380, 6654, 9570, 11090, 12199, 13308, 16635, 19140, 22180, 24398, 32161, 33270, 36597, 48796, 60995, 64322, 66540, 73194, 96483, 121990, 128644, 146388, 160805, 182985, 192966, 243980, 321610, 353771, 365970, 385932, 482415, 643220, 707542, 731940, 964830, 1061313, 1415084, 1768855, 1929660, 2122626, 3537710, 4245252, 5306565, 7075420, 10613130, 21226260]

約数ペア:

[(1, 21226260), (2, 10613130), (3, 7075420), (4, 5306565), (5, 4245252), (6, 3537710), (10, 2122626), (11, 1929660), (12, 1768855), (15, 1415084), (20, 1061313), (22, 964830), (29, 731940), (30, 707542), (33, 643220), (44, 482415), (55, 385932), (58, 365970), (60, 353771), (66, 321610), (87, 243980), (110, 192966), (116, 182985), (132, 160805), (145, 146388), (165, 128644), (174, 121990), (220, 96483), (290, 73194), (319, 66540), (330, 64322), (348, 60995), (435, 48796), (580, 36597), (638, 33270), (660, 32161), (870, 24398), (957, 22180), (1109, 19140), (1276, 16635), (1595, 13308), (1740, 12199), (1914, 11090), (2218, 9570), (3190, 6654), (3327, 6380), (3828, 5545), (4436, 4785)]