21152460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{50363}}^1$

素因数の和:50382

約数の個数: 48

約数和(自身を含む): 67689216

約数和(自身を除く): 46536756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 50363, 100726, 151089, 201452, 251815, 302178, 352541, 503630, 604356, 705082, 755445, 1007260, 1057623, 1410164, 1510890, 1762705, 2115246, 3021780, 3525410, 4230492, 5288115, 7050820, 10576230, 21152460]

約数ペア:

[(1, 21152460), (2, 10576230), (3, 7050820), (4, 5288115), (5, 4230492), (6, 3525410), (7, 3021780), (10, 2115246), (12, 1762705), (14, 1510890), (15, 1410164), (20, 1057623), (21, 1007260), (28, 755445), (30, 705082), (35, 604356), (42, 503630), (60, 352541), (70, 302178), (84, 251815), (105, 201452), (140, 151089), (210, 100726), (420, 50363)]