21342600

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 144

約数和(自身を含む): 73120320

約数和(自身を除く): 51777720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 71, 72, 75, 90, 100, 120, 142, 150, 167, 180, 200, 213, 225, 284, 300, 334, 355, 360, 426, 450, 501, 568, 600, 639, 668, 710, 835, 852, 900, 1002, 1065, 1278, 1336, 1420, 1503, 1670, 1704, 1775, 1800, 2004, 2130, 2505, 2556, 2840, 3006, 3195, 3340, 3550, 4008, 4175, 4260, 5010, 5112, 5325, 6012, 6390, 6680, 7100, 7515, 8350, 8520, 10020, 10650, 11857, 12024, 12525, 12780, 14200, 15030, 15975, 16700, 20040, 21300, 23714, 25050, 25560, 30060, 31950, 33400, 35571, 37575, 42600, 47428, 50100, 59285, 60120, 63900, 71142, 75150, 94856, 100200, 106713, 118570, 127800, 142284, 150300, 177855, 213426, 237140, 284568, 296425, 300600, 355710, 426852, 474280, 533565, 592850, 711420, 853704, 889275, 1067130, 1185700, 1422840, 1778550, 2134260, 2371400, 2667825, 3557100, 4268520, 5335650, 7114200, 10671300, 21342600]

約数ペア:

[(1, 21342600), (2, 10671300), (3, 7114200), (4, 5335650), (5, 4268520), (6, 3557100), (8, 2667825), (9, 2371400), (10, 2134260), (12, 1778550), (15, 1422840), (18, 1185700), (20, 1067130), (24, 889275), (25, 853704), (30, 711420), (36, 592850), (40, 533565), (45, 474280), (50, 426852), (60, 355710), (71, 300600), (72, 296425), (75, 284568), (90, 237140), (100, 213426), (120, 177855), (142, 150300), (150, 142284), (167, 127800), (180, 118570), (200, 106713), (213, 100200), (225, 94856), (284, 75150), (300, 71142), (334, 63900), (355, 60120), (360, 59285), (426, 50100), (450, 47428), (501, 42600), (568, 37575), (600, 35571), (639, 33400), (668, 31950), (710, 30060), (835, 25560), (852, 25050), (900, 23714), (1002, 21300), (1065, 20040), (1278, 16700), (1336, 15975), (1420, 15030), (1503, 14200), (1670, 12780), (1704, 12525), (1775, 12024), (1800, 11857), (2004, 10650), (2130, 10020), (2505, 8520), (2556, 8350), (2840, 7515), (3006, 7100), (3195, 6680), (3340, 6390), (3550, 6012), (4008, 5325), (4175, 5112), (4260, 5010)]