21426840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1193

約数の個数: 96

約数和(自身を含む): 71014320

約数和(自身を除く): 49587480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 795, 954, 1060, 1123, 1272, 1590, 1908, 2120, 2246, 2385, 3180, 3369, 3816, 4492, 4770, 5615, 6360, 6738, 8984, 9540, 10107, 11230, 13476, 16845, 19080, 20214, 22460, 26952, 33690, 40428, 44920, 50535, 59519, 67380, 80856, 101070, 119038, 134760, 178557, 202140, 238076, 297595, 357114, 404280, 476152, 535671, 595190, 714228, 892785, 1071342, 1190380, 1428456, 1785570, 2142684, 2380760, 2678355, 3571140, 4285368, 5356710, 7142280, 10713420, 21426840]

約数ペア:

[(1, 21426840), (2, 10713420), (3, 7142280), (4, 5356710), (5, 4285368), (6, 3571140), (8, 2678355), (9, 2380760), (10, 2142684), (12, 1785570), (15, 1428456), (18, 1190380), (20, 1071342), (24, 892785), (30, 714228), (36, 595190), (40, 535671), (45, 476152), (53, 404280), (60, 357114), (72, 297595), (90, 238076), (106, 202140), (120, 178557), (159, 134760), (180, 119038), (212, 101070), (265, 80856), (318, 67380), (360, 59519), (424, 50535), (477, 44920), (530, 40428), (636, 33690), (795, 26952), (954, 22460), (1060, 20214), (1123, 19080), (1272, 16845), (1590, 13476), (1908, 11230), (2120, 10107), (2246, 9540), (2385, 8984), (3180, 6738), (3369, 6360), (3816, 5615), (4492, 4770)]