21202350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 57746304

約数和(自身を除く): 36543954

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 83, 130, 131, 150, 166, 195, 249, 262, 325, 390, 393, 415, 498, 650, 655, 786, 830, 975, 1079, 1245, 1310, 1703, 1950, 1965, 2075, 2158, 2490, 3237, 3275, 3406, 3930, 4150, 5109, 5395, 6225, 6474, 6550, 8515, 9825, 10218, 10790, 10873, 12450, 16185, 17030, 19650, 21746, 25545, 26975, 32370, 32619, 42575, 51090, 53950, 54365, 65238, 80925, 85150, 108730, 127725, 141349, 161850, 163095, 255450, 271825, 282698, 326190, 424047, 543650, 706745, 815475, 848094, 1413490, 1630950, 2120235, 3533725, 4240470, 7067450, 10601175, 21202350]

約数ペア:

[(1, 21202350), (2, 10601175), (3, 7067450), (5, 4240470), (6, 3533725), (10, 2120235), (13, 1630950), (15, 1413490), (25, 848094), (26, 815475), (30, 706745), (39, 543650), (50, 424047), (65, 326190), (75, 282698), (78, 271825), (83, 255450), (130, 163095), (131, 161850), (150, 141349), (166, 127725), (195, 108730), (249, 85150), (262, 80925), (325, 65238), (390, 54365), (393, 53950), (415, 51090), (498, 42575), (650, 32619), (655, 32370), (786, 26975), (830, 25545), (975, 21746), (1079, 19650), (1245, 17030), (1310, 16185), (1703, 12450), (1950, 10873), (1965, 10790), (2075, 10218), (2158, 9825), (2490, 8515), (3237, 6550), (3275, 6474), (3406, 6225), (3930, 5395), (4150, 5109)]