21143100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 68745600

約数和(自身を除く): 47602500

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 43, 44, 50, 55, 60, 66, 75, 86, 100, 110, 129, 132, 149, 150, 165, 172, 215, 220, 258, 275, 298, 300, 330, 430, 447, 473, 516, 550, 596, 645, 660, 745, 825, 860, 894, 946, 1075, 1100, 1290, 1419, 1490, 1639, 1650, 1788, 1892, 2150, 2235, 2365, 2580, 2838, 2980, 3225, 3278, 3300, 3725, 4300, 4470, 4730, 4917, 5676, 6407, 6450, 6556, 7095, 7450, 8195, 8940, 9460, 9834, 11175, 11825, 12814, 12900, 14190, 14900, 16390, 19221, 19668, 22350, 23650, 24585, 25628, 28380, 32035, 32780, 35475, 38442, 40975, 44700, 47300, 49170, 64070, 70477, 70950, 76884, 81950, 96105, 98340, 122925, 128140, 140954, 141900, 160175, 163900, 192210, 211431, 245850, 281908, 320350, 352385, 384420, 422862, 480525, 491700, 640700, 704770, 845724, 961050, 1057155, 1409540, 1761925, 1922100, 2114310, 3523850, 4228620, 5285775, 7047700, 10571550, 21143100]

約数ペア:

[(1, 21143100), (2, 10571550), (3, 7047700), (4, 5285775), (5, 4228620), (6, 3523850), (10, 2114310), (11, 1922100), (12, 1761925), (15, 1409540), (20, 1057155), (22, 961050), (25, 845724), (30, 704770), (33, 640700), (43, 491700), (44, 480525), (50, 422862), (55, 384420), (60, 352385), (66, 320350), (75, 281908), (86, 245850), (100, 211431), (110, 192210), (129, 163900), (132, 160175), (149, 141900), (150, 140954), (165, 128140), (172, 122925), (215, 98340), (220, 96105), (258, 81950), (275, 76884), (298, 70950), (300, 70477), (330, 64070), (430, 49170), (447, 47300), (473, 44700), (516, 40975), (550, 38442), (596, 35475), (645, 32780), (660, 32035), (745, 28380), (825, 25628), (860, 24585), (894, 23650), (946, 22350), (1075, 19668), (1100, 19221), (1290, 16390), (1419, 14900), (1490, 14190), (1639, 12900), (1650, 12814), (1788, 11825), (1892, 11175), (2150, 9834), (2235, 9460), (2365, 8940), (2580, 8195), (2838, 7450), (2980, 7095), (3225, 6556), (3278, 6450), (3300, 6407), (3725, 5676), (4300, 4917), (4470, 4730)]