21338850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 58996224

約数和(自身を除く): 37657374

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 31, 39, 50, 62, 65, 75, 78, 93, 130, 150, 155, 186, 195, 310, 325, 353, 390, 403, 465, 650, 706, 775, 806, 930, 975, 1059, 1209, 1550, 1765, 1950, 2015, 2118, 2325, 2418, 3530, 4030, 4589, 4650, 5295, 6045, 8825, 9178, 10075, 10590, 10943, 12090, 13767, 17650, 20150, 21886, 22945, 26475, 27534, 30225, 32829, 45890, 52950, 54715, 60450, 65658, 68835, 109430, 114725, 137670, 142259, 164145, 229450, 273575, 284518, 328290, 344175, 426777, 547150, 688350, 711295, 820725, 853554, 1422590, 1641450, 2133885, 3556475, 4267770, 7112950, 10669425, 21338850]

約数ペア:

[(1, 21338850), (2, 10669425), (3, 7112950), (5, 4267770), (6, 3556475), (10, 2133885), (13, 1641450), (15, 1422590), (25, 853554), (26, 820725), (30, 711295), (31, 688350), (39, 547150), (50, 426777), (62, 344175), (65, 328290), (75, 284518), (78, 273575), (93, 229450), (130, 164145), (150, 142259), (155, 137670), (186, 114725), (195, 109430), (310, 68835), (325, 65658), (353, 60450), (390, 54715), (403, 52950), (465, 45890), (650, 32829), (706, 30225), (775, 27534), (806, 26475), (930, 22945), (975, 21886), (1059, 20150), (1209, 17650), (1550, 13767), (1765, 12090), (1950, 10943), (2015, 10590), (2118, 10075), (2325, 9178), (2418, 8825), (3530, 6045), (4030, 5295), (4589, 4650)]