21673260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 76317696

約数和(自身を除く): 54644436

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 103, 105, 126, 140, 167, 180, 206, 210, 252, 309, 315, 334, 412, 420, 501, 515, 618, 630, 668, 721, 835, 927, 1002, 1030, 1169, 1236, 1260, 1442, 1503, 1545, 1670, 1854, 2004, 2060, 2163, 2338, 2505, 2884, 3006, 3090, 3340, 3507, 3605, 3708, 4326, 4635, 4676, 5010, 5845, 6012, 6180, 6489, 7014, 7210, 7515, 8652, 9270, 10020, 10521, 10815, 11690, 12978, 14028, 14420, 15030, 17201, 17535, 18540, 21042, 21630, 23380, 25956, 30060, 32445, 34402, 35070, 42084, 43260, 51603, 52605, 64890, 68804, 70140, 86005, 103206, 105210, 120407, 129780, 154809, 172010, 206412, 210420, 240814, 258015, 309618, 344020, 361221, 481628, 516030, 602035, 619236, 722442, 774045, 1032060, 1083663, 1204070, 1444884, 1548090, 1806105, 2167326, 2408140, 3096180, 3612210, 4334652, 5418315, 7224420, 10836630, 21673260]

約数ペア:

[(1, 21673260), (2, 10836630), (3, 7224420), (4, 5418315), (5, 4334652), (6, 3612210), (7, 3096180), (9, 2408140), (10, 2167326), (12, 1806105), (14, 1548090), (15, 1444884), (18, 1204070), (20, 1083663), (21, 1032060), (28, 774045), (30, 722442), (35, 619236), (36, 602035), (42, 516030), (45, 481628), (60, 361221), (63, 344020), (70, 309618), (84, 258015), (90, 240814), (103, 210420), (105, 206412), (126, 172010), (140, 154809), (167, 129780), (180, 120407), (206, 105210), (210, 103206), (252, 86005), (309, 70140), (315, 68804), (334, 64890), (412, 52605), (420, 51603), (501, 43260), (515, 42084), (618, 35070), (630, 34402), (668, 32445), (721, 30060), (835, 25956), (927, 23380), (1002, 21630), (1030, 21042), (1169, 18540), (1236, 17535), (1260, 17201), (1442, 15030), (1503, 14420), (1545, 14028), (1670, 12978), (1854, 11690), (2004, 10815), (2060, 10521), (2163, 10020), (2338, 9270), (2505, 8652), (2884, 7515), (3006, 7210), (3090, 7014), (3340, 6489), (3507, 6180), (3605, 6012), (3708, 5845), (4326, 5010), (4635, 4676)]