21150324

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1051}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 58970912

約数和(自身を除く): 37820588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1051, 1118, 1548, 1677, 2102, 2236, 3153, 3354, 4204, 5031, 6306, 6708, 9459, 10062, 12612, 13663, 18918, 20124, 27326, 37836, 40989, 45193, 54652, 81978, 90386, 122967, 135579, 163956, 180772, 245934, 271158, 406737, 491868, 542316, 587509, 813474, 1175018, 1626948, 1762527, 2350036, 3525054, 5287581, 7050108, 10575162, 21150324]

約数ペア:

[(1, 21150324), (2, 10575162), (3, 7050108), (4, 5287581), (6, 3525054), (9, 2350036), (12, 1762527), (13, 1626948), (18, 1175018), (26, 813474), (36, 587509), (39, 542316), (43, 491868), (52, 406737), (78, 271158), (86, 245934), (117, 180772), (129, 163956), (156, 135579), (172, 122967), (234, 90386), (258, 81978), (387, 54652), (468, 45193), (516, 40989), (559, 37836), (774, 27326), (1051, 20124), (1118, 18918), (1548, 13663), (1677, 12612), (2102, 10062), (2236, 9459), (3153, 6708), (3354, 6306), (4204, 5031)]