21907200

素因数分解:

$2^8\times 3^1\times 5^2\times 7^1\times {\mathrm{163}}^1$

素因数の和:199

約数の個数: 216

約数和(自身を含む): 83133568

約数和(自身を除く): 61226368

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, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 128, 140, 150, 160, 163, 168, 175, 192, 200, 210, 224, 240, 256, 280, 300, 320, 326, 336, 350, 384, 400, 420, 448, 480, 489, 525, 560, 600, 640, 652, 672, 700, 768, 800, 815, 840, 896, 960, 978, 1050, 1120, 1141, 1200, 1280, 1304, 1344, 1400, 1600, 1630, 1680, 1792, 1920, 1956, 2100, 2240, 2282, 2400, 2445, 2608, 2688, 2800, 3200, 3260, 3360, 3423, 3840, 3912, 4075, 4200, 4480, 4564, 4800, 4890, 5216, 5376, 5600, 5705, 6400, 6520, 6720, 6846, 7824, 8150, 8400, 8960, 9128, 9600, 9780, 10432, 11200, 11410, 12225, 13040, 13440, 13692, 15648, 16300, 16800, 17115, 18256, 19200, 19560, 20864, 22400, 22820, 24450, 26080, 26880, 27384, 28525, 31296, 32600, 33600, 34230, 36512, 39120, 41728, 44800, 45640, 48900, 52160, 54768, 57050, 62592, 65200, 67200, 68460, 73024, 78240, 85575, 91280, 97800, 104320, 109536, 114100, 125184, 130400, 134400, 136920, 146048, 156480, 171150, 182560, 195600, 208640, 219072, 228200, 260800, 273840, 292096, 312960, 342300, 365120, 391200, 438144, 456400, 521600, 547680, 625920, 684600, 730240, 782400, 876288, 912800, 1043200, 1095360, 1369200, 1460480, 1564800, 1825600, 2190720, 2738400, 3129600, 3651200, 4381440, 5476800, 7302400, 10953600, 21907200]

約数ペア:

[(1, 21907200), (2, 10953600), (3, 7302400), (4, 5476800), (5, 4381440), (6, 3651200), (7, 3129600), (8, 2738400), (10, 2190720), (12, 1825600), (14, 1564800), (15, 1460480), (16, 1369200), (20, 1095360), (21, 1043200), (24, 912800), (25, 876288), (28, 782400), (30, 730240), (32, 684600), (35, 625920), (40, 547680), (42, 521600), (48, 456400), (50, 438144), (56, 391200), (60, 365120), (64, 342300), (70, 312960), (75, 292096), (80, 273840), (84, 260800), (96, 228200), (100, 219072), (105, 208640), (112, 195600), (120, 182560), (128, 171150), (140, 156480), (150, 146048), (160, 136920), (163, 134400), (168, 130400), (175, 125184), (192, 114100), (200, 109536), (210, 104320), (224, 97800), (240, 91280), (256, 85575), (280, 78240), (300, 73024), (320, 68460), (326, 67200), (336, 65200), (350, 62592), (384, 57050), (400, 54768), (420, 52160), (448, 48900), (480, 45640), (489, 44800), (525, 41728), (560, 39120), (600, 36512), (640, 34230), (652, 33600), (672, 32600), (700, 31296), (768, 28525), (800, 27384), (815, 26880), (840, 26080), (896, 24450), (960, 22820), (978, 22400), (1050, 20864), (1120, 19560), (1141, 19200), (1200, 18256), (1280, 17115), (1304, 16800), (1344, 16300), (1400, 15648), (1600, 13692), (1630, 13440), (1680, 13040), (1792, 12225), (1920, 11410), (1956, 11200), (2100, 10432), (2240, 9780), (2282, 9600), (2400, 9128), (2445, 8960), (2608, 8400), (2688, 8150), (2800, 7824), (3200, 6846), (3260, 6720), (3360, 6520), (3423, 6400), (3840, 5705), (3912, 5600), (4075, 5376), (4200, 5216), (4480, 4890), (4564, 4800)]