21909420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3121}}^1$

素因数の和:3152

約数の個数: 96

約数和(自身を含む): 73429440

約数和(自身を除く): 51520020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3121, 3510, 6242, 7020, 9363, 12484, 15605, 18726, 28089, 31210, 37452, 40573, 46815, 56178, 62420, 81146, 84267, 93630, 112356, 121719, 140445, 162292, 168534, 187260, 202865, 243438, 280890, 337068, 365157, 405730, 421335, 486876, 561780, 608595, 730314, 811460, 842670, 1095471, 1217190, 1460628, 1685340, 1825785, 2190942, 2434380, 3651570, 4381884, 5477355, 7303140, 10954710, 21909420]

約数ペア:

[(1, 21909420), (2, 10954710), (3, 7303140), (4, 5477355), (5, 4381884), (6, 3651570), (9, 2434380), (10, 2190942), (12, 1825785), (13, 1685340), (15, 1460628), (18, 1217190), (20, 1095471), (26, 842670), (27, 811460), (30, 730314), (36, 608595), (39, 561780), (45, 486876), (52, 421335), (54, 405730), (60, 365157), (65, 337068), (78, 280890), (90, 243438), (108, 202865), (117, 187260), (130, 168534), (135, 162292), (156, 140445), (180, 121719), (195, 112356), (234, 93630), (260, 84267), (270, 81146), (351, 62420), (390, 56178), (468, 46815), (540, 40573), (585, 37452), (702, 31210), (780, 28089), (1170, 18726), (1404, 15605), (1755, 12484), (2340, 9363), (3121, 7020), (3510, 6242)]