21484600

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 54237600

約数和(自身を除く): 32753000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 71, 85, 89, 100, 136, 142, 170, 178, 200, 284, 340, 355, 356, 425, 445, 568, 680, 710, 712, 850, 890, 1207, 1420, 1513, 1700, 1775, 1780, 2225, 2414, 2840, 3026, 3400, 3550, 3560, 4450, 4828, 6035, 6052, 6319, 7100, 7565, 8900, 9656, 12070, 12104, 12638, 14200, 15130, 17800, 24140, 25276, 30175, 30260, 31595, 37825, 48280, 50552, 60350, 60520, 63190, 75650, 107423, 120700, 126380, 151300, 157975, 214846, 241400, 252760, 302600, 315950, 429692, 537115, 631900, 859384, 1074230, 1263800, 2148460, 2685575, 4296920, 5371150, 10742300, 21484600]

約数ペア:

[(1, 21484600), (2, 10742300), (4, 5371150), (5, 4296920), (8, 2685575), (10, 2148460), (17, 1263800), (20, 1074230), (25, 859384), (34, 631900), (40, 537115), (50, 429692), (68, 315950), (71, 302600), (85, 252760), (89, 241400), (100, 214846), (136, 157975), (142, 151300), (170, 126380), (178, 120700), (200, 107423), (284, 75650), (340, 63190), (355, 60520), (356, 60350), (425, 50552), (445, 48280), (568, 37825), (680, 31595), (710, 30260), (712, 30175), (850, 25276), (890, 24140), (1207, 17800), (1420, 15130), (1513, 14200), (1700, 12638), (1775, 12104), (1780, 12070), (2225, 9656), (2414, 8900), (2840, 7565), (3026, 7100), (3400, 6319), (3550, 6052), (3560, 6035), (4450, 4828)]