21673152

素因数分解:

$2^6\times 3^2\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 84

約数和(自身を含む): 62764416

約数和(自身を除く): 41091264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 191, 192, 197, 288, 382, 394, 573, 576, 591, 764, 788, 1146, 1182, 1528, 1576, 1719, 1773, 2292, 2364, 3056, 3152, 3438, 3546, 4584, 4728, 6112, 6304, 6876, 7092, 9168, 9456, 12224, 12608, 13752, 14184, 18336, 18912, 27504, 28368, 36672, 37627, 37824, 55008, 56736, 75254, 110016, 112881, 113472, 150508, 225762, 301016, 338643, 451524, 602032, 677286, 903048, 1204064, 1354572, 1806096, 2408128, 2709144, 3612192, 5418288, 7224384, 10836576, 21673152]

約数ペア:

[(1, 21673152), (2, 10836576), (3, 7224384), (4, 5418288), (6, 3612192), (8, 2709144), (9, 2408128), (12, 1806096), (16, 1354572), (18, 1204064), (24, 903048), (32, 677286), (36, 602032), (48, 451524), (64, 338643), (72, 301016), (96, 225762), (144, 150508), (191, 113472), (192, 112881), (197, 110016), (288, 75254), (382, 56736), (394, 55008), (573, 37824), (576, 37627), (591, 36672), (764, 28368), (788, 27504), (1146, 18912), (1182, 18336), (1528, 14184), (1576, 13752), (1719, 12608), (1773, 12224), (2292, 9456), (2364, 9168), (3056, 7092), (3152, 6876), (3438, 6304), (3546, 6112), (4584, 4728)]