21913488

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3539}}^1$

素因数の和:3596

約数の個数: 60

約数和(自身を含む): 62771280

約数和(自身を除く): 40857792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3539, 6192, 7078, 10617, 14156, 21234, 28312, 31851, 42468, 56624, 63702, 84936, 127404, 152177, 169872, 254808, 304354, 456531, 509616, 608708, 913062, 1217416, 1369593, 1826124, 2434832, 2739186, 3652248, 5478372, 7304496, 10956744, 21913488]

約数ペア:

[(1, 21913488), (2, 10956744), (3, 7304496), (4, 5478372), (6, 3652248), (8, 2739186), (9, 2434832), (12, 1826124), (16, 1369593), (18, 1217416), (24, 913062), (36, 608708), (43, 509616), (48, 456531), (72, 304354), (86, 254808), (129, 169872), (144, 152177), (172, 127404), (258, 84936), (344, 63702), (387, 56624), (516, 42468), (688, 31851), (774, 28312), (1032, 21234), (1548, 14156), (2064, 10617), (3096, 7078), (3539, 6192)]