21781200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{2593}}^1$

素因数の和:2621

約数の個数: 120

約数和(自身を含む): 79770688

約数和(自身を除く): 57989488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2593, 2800, 4200, 5186, 7779, 8400, 10372, 12965, 15558, 18151, 20744, 25930, 31116, 36302, 38895, 41488, 51860, 54453, 62232, 64825, 72604, 77790, 90755, 103720, 108906, 124464, 129650, 145208, 155580, 181510, 194475, 207440, 217812, 259300, 272265, 290416, 311160, 363020, 388950, 435624, 453775, 518600, 544530, 622320, 726040, 777900, 871248, 907550, 1037200, 1089060, 1361325, 1452080, 1555800, 1815100, 2178120, 2722650, 3111600, 3630200, 4356240, 5445300, 7260400, 10890600, 21781200]

約数ペア:

[(1, 21781200), (2, 10890600), (3, 7260400), (4, 5445300), (5, 4356240), (6, 3630200), (7, 3111600), (8, 2722650), (10, 2178120), (12, 1815100), (14, 1555800), (15, 1452080), (16, 1361325), (20, 1089060), (21, 1037200), (24, 907550), (25, 871248), (28, 777900), (30, 726040), (35, 622320), (40, 544530), (42, 518600), (48, 453775), (50, 435624), (56, 388950), (60, 363020), (70, 311160), (75, 290416), (80, 272265), (84, 259300), (100, 217812), (105, 207440), (112, 194475), (120, 181510), (140, 155580), (150, 145208), (168, 129650), (175, 124464), (200, 108906), (210, 103720), (240, 90755), (280, 77790), (300, 72604), (336, 64825), (350, 62232), (400, 54453), (420, 51860), (525, 41488), (560, 38895), (600, 36302), (700, 31116), (840, 25930), (1050, 20744), (1200, 18151), (1400, 15558), (1680, 12965), (2100, 10372), (2593, 8400), (2800, 7779), (4200, 5186)]