21302750

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 48657024

約数和(自身を除く): 27354274

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 37, 47, 49, 50, 70, 74, 94, 98, 125, 175, 185, 235, 245, 250, 259, 329, 350, 370, 470, 490, 518, 658, 875, 925, 1175, 1225, 1295, 1645, 1739, 1750, 1813, 1850, 2303, 2350, 2450, 2590, 3290, 3478, 3626, 4606, 4625, 5875, 6125, 6475, 8225, 8695, 9065, 9250, 11515, 11750, 12173, 12250, 12950, 16450, 17390, 18130, 23030, 24346, 32375, 41125, 43475, 45325, 57575, 60865, 64750, 82250, 85211, 86950, 90650, 115150, 121730, 170422, 217375, 226625, 287875, 304325, 426055, 434750, 453250, 575750, 608650, 852110, 1521625, 2130275, 3043250, 4260550, 10651375, 21302750]

約数ペア:

[(1, 21302750), (2, 10651375), (5, 4260550), (7, 3043250), (10, 2130275), (14, 1521625), (25, 852110), (35, 608650), (37, 575750), (47, 453250), (49, 434750), (50, 426055), (70, 304325), (74, 287875), (94, 226625), (98, 217375), (125, 170422), (175, 121730), (185, 115150), (235, 90650), (245, 86950), (250, 85211), (259, 82250), (329, 64750), (350, 60865), (370, 57575), (470, 45325), (490, 43475), (518, 41125), (658, 32375), (875, 24346), (925, 23030), (1175, 18130), (1225, 17390), (1295, 16450), (1645, 12950), (1739, 12250), (1750, 12173), (1813, 11750), (1850, 11515), (2303, 9250), (2350, 9065), (2450, 8695), (2590, 8225), (3290, 6475), (3478, 6125), (3626, 5875), (4606, 4625)]