21381300

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{7919}}^1$

素因数の和:7942

約数の個数: 72

約数和(自身を含む): 68745600

約数和(自身を除く): 47364300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 7919, 15838, 23757, 31676, 39595, 47514, 71271, 79190, 95028, 118785, 142542, 158380, 197975, 213813, 237570, 285084, 356355, 395950, 427626, 475140, 593925, 712710, 791900, 855252, 1069065, 1187850, 1425420, 1781775, 2138130, 2375700, 3563550, 4276260, 5345325, 7127100, 10690650, 21381300]

約数ペア:

[(1, 21381300), (2, 10690650), (3, 7127100), (4, 5345325), (5, 4276260), (6, 3563550), (9, 2375700), (10, 2138130), (12, 1781775), (15, 1425420), (18, 1187850), (20, 1069065), (25, 855252), (27, 791900), (30, 712710), (36, 593925), (45, 475140), (50, 427626), (54, 395950), (60, 356355), (75, 285084), (90, 237570), (100, 213813), (108, 197975), (135, 158380), (150, 142542), (180, 118785), (225, 95028), (270, 79190), (300, 71271), (450, 47514), (540, 39595), (675, 31676), (900, 23757), (1350, 15838), (2700, 7919)]