21856800

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1301}}^1$

素因数の和:1331

約数の個数: 144

約数和(自身を含む): 81369792

約数和(自身を除く): 59512992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1301, 1400, 1680, 2100, 2400, 2602, 2800, 3360, 3903, 4200, 5204, 5600, 6505, 7806, 8400, 9107, 10408, 13010, 15612, 16800, 18214, 19515, 20816, 26020, 27321, 31224, 32525, 36428, 39030, 41632, 45535, 52040, 54642, 62448, 65050, 72856, 78060, 91070, 97575, 104080, 109284, 124896, 130100, 136605, 145712, 156120, 182140, 195150, 208160, 218568, 227675, 260200, 273210, 291424, 312240, 364280, 390300, 437136, 455350, 520400, 546420, 624480, 683025, 728560, 780600, 874272, 910700, 1040800, 1092840, 1366050, 1457120, 1561200, 1821400, 2185680, 2732100, 3122400, 3642800, 4371360, 5464200, 7285600, 10928400, 21856800]

約数ペア:

[(1, 21856800), (2, 10928400), (3, 7285600), (4, 5464200), (5, 4371360), (6, 3642800), (7, 3122400), (8, 2732100), (10, 2185680), (12, 1821400), (14, 1561200), (15, 1457120), (16, 1366050), (20, 1092840), (21, 1040800), (24, 910700), (25, 874272), (28, 780600), (30, 728560), (32, 683025), (35, 624480), (40, 546420), (42, 520400), (48, 455350), (50, 437136), (56, 390300), (60, 364280), (70, 312240), (75, 291424), (80, 273210), (84, 260200), (96, 227675), (100, 218568), (105, 208160), (112, 195150), (120, 182140), (140, 156120), (150, 145712), (160, 136605), (168, 130100), (175, 124896), (200, 109284), (210, 104080), (224, 97575), (240, 91070), (280, 78060), (300, 72856), (336, 65050), (350, 62448), (400, 54642), (420, 52040), (480, 45535), (525, 41632), (560, 39030), (600, 36428), (672, 32525), (700, 31224), (800, 27321), (840, 26020), (1050, 20816), (1120, 19515), (1200, 18214), (1301, 16800), (1400, 15612), (1680, 13010), (2100, 10408), (2400, 9107), (2602, 8400), (2800, 7806), (3360, 6505), (3903, 5600), (4200, 5204)]