21533850

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:446

約数の個数: 120

約数和(自身を含む): 64592220

約数和(自身を除く): 43058370

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 81, 90, 117, 130, 135, 150, 162, 195, 225, 234, 270, 325, 351, 390, 405, 409, 450, 585, 650, 675, 702, 810, 818, 975, 1053, 1170, 1227, 1350, 1755, 1950, 2025, 2045, 2106, 2454, 2925, 3510, 3681, 4050, 4090, 5265, 5317, 5850, 6135, 7362, 8775, 10225, 10530, 10634, 11043, 12270, 15951, 17550, 18405, 20450, 22086, 26325, 26585, 30675, 31902, 33129, 36810, 47853, 52650, 53170, 55215, 61350, 66258, 79755, 92025, 95706, 110430, 132925, 143559, 159510, 165645, 184050, 239265, 265850, 276075, 287118, 331290, 398775, 430677, 478530, 552150, 717795, 797550, 828225, 861354, 1196325, 1435590, 1656450, 2153385, 2392650, 3588975, 4306770, 7177950, 10766925, 21533850]

約数ペア:

[(1, 21533850), (2, 10766925), (3, 7177950), (5, 4306770), (6, 3588975), (9, 2392650), (10, 2153385), (13, 1656450), (15, 1435590), (18, 1196325), (25, 861354), (26, 828225), (27, 797550), (30, 717795), (39, 552150), (45, 478530), (50, 430677), (54, 398775), (65, 331290), (75, 287118), (78, 276075), (81, 265850), (90, 239265), (117, 184050), (130, 165645), (135, 159510), (150, 143559), (162, 132925), (195, 110430), (225, 95706), (234, 92025), (270, 79755), (325, 66258), (351, 61350), (390, 55215), (405, 53170), (409, 52650), (450, 47853), (585, 36810), (650, 33129), (675, 31902), (702, 30675), (810, 26585), (818, 26325), (975, 22086), (1053, 20450), (1170, 18405), (1227, 17550), (1350, 15951), (1755, 12270), (1950, 11043), (2025, 10634), (2045, 10530), (2106, 10225), (2454, 8775), (2925, 7362), (3510, 6135), (3681, 5850), (4050, 5317), (4090, 5265)]