21036697935

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{487}}^1\times {\mathrm{673}}^1$

素因数の和:1568

約数の個数: 64

約数和(自身を含む): 36943395840

約数和(自身を除く): 15906697905

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 389, 487, 673, 1167, 1461, 1945, 2019, 2435, 3365, 4279, 5357, 5835, 7305, 7403, 10095, 12837, 16071, 21395, 22209, 26785, 37015, 64185, 80355, 111045, 189443, 261797, 327751, 568329, 785391, 947215, 983253, 1308985, 1638755, 2083873, 2841645, 2879767, 3605261, 3926955, 4916265, 6251619, 8639301, 10419365, 10815783, 14398835, 18026305, 31258095, 43196505, 54078915, 127495139, 382485417, 637475695, 1402446529, 1912427085, 4207339587, 7012232645, 21036697935]

約数ペア:

[(1, 21036697935), (3, 7012232645), (5, 4207339587), (11, 1912427085), (15, 1402446529), (33, 637475695), (55, 382485417), (165, 127495139), (389, 54078915), (487, 43196505), (673, 31258095), (1167, 18026305), (1461, 14398835), (1945, 10815783), (2019, 10419365), (2435, 8639301), (3365, 6251619), (4279, 4916265), (5357, 3926955), (5835, 3605261), (7305, 2879767), (7403, 2841645), (10095, 2083873), (12837, 1638755), (16071, 1308985), (21395, 983253), (22209, 947215), (26785, 785391), (37015, 568329), (64185, 327751), (80355, 261797), (111045, 189443)]