21965100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{347}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 64037568

約数和(自身を除く): 42072468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 211, 300, 347, 422, 633, 694, 844, 1041, 1055, 1266, 1388, 1735, 2082, 2110, 2532, 3165, 3470, 4164, 4220, 5205, 5275, 6330, 6940, 8675, 10410, 10550, 12660, 15825, 17350, 20820, 21100, 26025, 31650, 34700, 52050, 63300, 73217, 104100, 146434, 219651, 292868, 366085, 439302, 732170, 878604, 1098255, 1464340, 1830425, 2196510, 3660850, 4393020, 5491275, 7321700, 10982550, 21965100]

約数ペア:

[(1, 21965100), (2, 10982550), (3, 7321700), (4, 5491275), (5, 4393020), (6, 3660850), (10, 2196510), (12, 1830425), (15, 1464340), (20, 1098255), (25, 878604), (30, 732170), (50, 439302), (60, 366085), (75, 292868), (100, 219651), (150, 146434), (211, 104100), (300, 73217), (347, 63300), (422, 52050), (633, 34700), (694, 31650), (844, 26025), (1041, 21100), (1055, 20820), (1266, 17350), (1388, 15825), (1735, 12660), (2082, 10550), (2110, 10410), (2532, 8675), (3165, 6940), (3470, 6330), (4164, 5275), (4220, 5205)]