21029200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2767}}^1$

素因数の和:2804

約数の個数: 60

約数和(自身を含む): 53200960

約数和(自身を除く): 32171760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 2767, 3800, 5534, 7600, 11068, 13835, 22136, 27670, 44272, 52573, 55340, 69175, 105146, 110680, 138350, 210292, 221360, 262865, 276700, 420584, 525730, 553400, 841168, 1051460, 1106800, 1314325, 2102920, 2628650, 4205840, 5257300, 10514600, 21029200]

約数ペア:

[(1, 21029200), (2, 10514600), (4, 5257300), (5, 4205840), (8, 2628650), (10, 2102920), (16, 1314325), (19, 1106800), (20, 1051460), (25, 841168), (38, 553400), (40, 525730), (50, 420584), (76, 276700), (80, 262865), (95, 221360), (100, 210292), (152, 138350), (190, 110680), (200, 105146), (304, 69175), (380, 55340), (400, 52573), (475, 44272), (760, 27670), (950, 22136), (1520, 13835), (1900, 11068), (2767, 7600), (3800, 5534)]