21475650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 61746048

約数和(自身を除く): 40270398

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 113, 150, 175, 181, 210, 226, 339, 350, 362, 525, 543, 565, 678, 791, 905, 1050, 1086, 1130, 1267, 1582, 1695, 1810, 2373, 2534, 2715, 2825, 3390, 3801, 3955, 4525, 4746, 5430, 5650, 6335, 7602, 7910, 8475, 9050, 11865, 12670, 13575, 16950, 19005, 19775, 20453, 23730, 27150, 31675, 38010, 39550, 40906, 59325, 61359, 63350, 95025, 102265, 118650, 122718, 143171, 190050, 204530, 286342, 306795, 429513, 511325, 613590, 715855, 859026, 1022650, 1431710, 1533975, 2147565, 3067950, 3579275, 4295130, 7158550, 10737825, 21475650]

約数ペア:

[(1, 21475650), (2, 10737825), (3, 7158550), (5, 4295130), (6, 3579275), (7, 3067950), (10, 2147565), (14, 1533975), (15, 1431710), (21, 1022650), (25, 859026), (30, 715855), (35, 613590), (42, 511325), (50, 429513), (70, 306795), (75, 286342), (105, 204530), (113, 190050), (150, 143171), (175, 122718), (181, 118650), (210, 102265), (226, 95025), (339, 63350), (350, 61359), (362, 59325), (525, 40906), (543, 39550), (565, 38010), (678, 31675), (791, 27150), (905, 23730), (1050, 20453), (1086, 19775), (1130, 19005), (1267, 16950), (1582, 13575), (1695, 12670), (1810, 11865), (2373, 9050), (2534, 8475), (2715, 7910), (2825, 7602), (3390, 6335), (3801, 5650), (3955, 5430), (4525, 4746)]