21244300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 59996160

約数和(自身を除く): 38751860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 50, 55, 62, 70, 77, 89, 100, 110, 124, 140, 154, 155, 175, 178, 217, 220, 275, 308, 310, 341, 350, 356, 385, 434, 445, 550, 620, 623, 682, 700, 770, 775, 868, 890, 979, 1085, 1100, 1246, 1364, 1540, 1550, 1705, 1780, 1925, 1958, 2170, 2225, 2387, 2492, 2759, 3100, 3115, 3410, 3850, 3916, 4340, 4450, 4774, 4895, 5425, 5518, 6230, 6820, 6853, 7700, 8525, 8900, 9548, 9790, 10850, 11036, 11935, 12460, 13706, 13795, 15575, 17050, 19313, 19580, 21700, 23870, 24475, 27412, 27590, 30349, 31150, 34100, 34265, 38626, 47740, 48950, 55180, 59675, 60698, 62300, 68530, 68975, 77252, 96565, 97900, 119350, 121396, 137060, 137950, 151745, 171325, 193130, 212443, 238700, 275900, 303490, 342650, 386260, 424886, 482825, 606980, 685300, 758725, 849772, 965650, 1062215, 1517450, 1931300, 2124430, 3034900, 4248860, 5311075, 10622150, 21244300]

約数ペア:

[(1, 21244300), (2, 10622150), (4, 5311075), (5, 4248860), (7, 3034900), (10, 2124430), (11, 1931300), (14, 1517450), (20, 1062215), (22, 965650), (25, 849772), (28, 758725), (31, 685300), (35, 606980), (44, 482825), (50, 424886), (55, 386260), (62, 342650), (70, 303490), (77, 275900), (89, 238700), (100, 212443), (110, 193130), (124, 171325), (140, 151745), (154, 137950), (155, 137060), (175, 121396), (178, 119350), (217, 97900), (220, 96565), (275, 77252), (308, 68975), (310, 68530), (341, 62300), (350, 60698), (356, 59675), (385, 55180), (434, 48950), (445, 47740), (550, 38626), (620, 34265), (623, 34100), (682, 31150), (700, 30349), (770, 27590), (775, 27412), (868, 24475), (890, 23870), (979, 21700), (1085, 19580), (1100, 19313), (1246, 17050), (1364, 15575), (1540, 13795), (1550, 13706), (1705, 12460), (1780, 11935), (1925, 11036), (1958, 10850), (2170, 9790), (2225, 9548), (2387, 8900), (2492, 8525), (2759, 7700), (3100, 6853), (3115, 6820), (3410, 6230), (3850, 5518), (3916, 5425), (4340, 4895), (4450, 4774)]