21491591520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6396307}}^1$

素因数の和:6396332

約数の個数: 96

約数和(自身を含む): 77369741568

約数和(自身を除く): 55878150048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6396307, 12792614, 19188921, 25585228, 31981535, 38377842, 44774149, 51170456, 63963070, 76755684, 89548298, 95944605, 102340912, 127926140, 134322447, 153511368, 179096596, 191889210, 204681824, 223870745, 255852280, 268644894, 307022736, 358193192, 383778420, 447741490, 511704560, 537289788, 614045472, 671612235, 716386384, 767556840, 895482980, 1023409120, 1074579576, 1343224470, 1432772768, 1535113680, 1790965960, 2149159152, 2686448940, 3070227360, 3581931920, 4298318304, 5372897880, 7163863840, 10745795760, 21491591520]

約数ペア:

[(1, 21491591520), (2, 10745795760), (3, 7163863840), (4, 5372897880), (5, 4298318304), (6, 3581931920), (7, 3070227360), (8, 2686448940), (10, 2149159152), (12, 1790965960), (14, 1535113680), (15, 1432772768), (16, 1343224470), (20, 1074579576), (21, 1023409120), (24, 895482980), (28, 767556840), (30, 716386384), (32, 671612235), (35, 614045472), (40, 537289788), (42, 511704560), (48, 447741490), (56, 383778420), (60, 358193192), (70, 307022736), (80, 268644894), (84, 255852280), (96, 223870745), (105, 204681824), (112, 191889210), (120, 179096596), (140, 153511368), (160, 134322447), (168, 127926140), (210, 102340912), (224, 95944605), (240, 89548298), (280, 76755684), (336, 63963070), (420, 51170456), (480, 44774149), (560, 38377842), (672, 31981535), (840, 25585228), (1120, 19188921), (1680, 12792614), (3360, 6396307)]