21198060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9059}}^1$

素因数の和:9087

約数の個数: 72

約数和(自身を含む): 69254640

約数和(自身を除く): 48056580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 9059, 18118, 27177, 36236, 45295, 54354, 81531, 90590, 108708, 117767, 135885, 163062, 181180, 235534, 271770, 326124, 353301, 407655, 471068, 543540, 588835, 706602, 815310, 1059903, 1177670, 1413204, 1630620, 1766505, 2119806, 2355340, 3533010, 4239612, 5299515, 7066020, 10599030, 21198060]

約数ペア:

[(1, 21198060), (2, 10599030), (3, 7066020), (4, 5299515), (5, 4239612), (6, 3533010), (9, 2355340), (10, 2119806), (12, 1766505), (13, 1630620), (15, 1413204), (18, 1177670), (20, 1059903), (26, 815310), (30, 706602), (36, 588835), (39, 543540), (45, 471068), (52, 407655), (60, 353301), (65, 326124), (78, 271770), (90, 235534), (117, 181180), (130, 163062), (156, 135885), (180, 117767), (195, 108708), (234, 90590), (260, 81531), (390, 54354), (468, 45295), (585, 36236), (780, 27177), (1170, 18118), (2340, 9059)]