21000314600

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{547}}^1\times {\mathrm{1381}}^1$

素因数の和:2083

約数の個数: 96

約数和(自身を含む): 49302573600

約数和(自身を除く): 28302259000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 547, 556, 695, 1094, 1112, 1381, 1390, 2188, 2735, 2762, 2780, 3475, 4376, 5470, 5524, 5560, 6905, 6950, 10940, 11048, 13675, 13810, 13900, 21880, 27350, 27620, 27800, 34525, 54700, 55240, 69050, 76033, 109400, 138100, 152066, 191959, 276200, 304132, 380165, 383918, 608264, 755407, 760330, 767836, 959795, 1510814, 1520660, 1535672, 1900825, 1919590, 3021628, 3041320, 3777035, 3801650, 3839180, 4798975, 6043256, 7554070, 7603300, 7678360, 9597950, 15108140, 15206600, 18885175, 19195900, 30216280, 37770350, 38391800, 75540700, 105001573, 151081400, 210003146, 420006292, 525007865, 840012584, 1050015730, 2100031460, 2625039325, 4200062920, 5250078650, 10500157300, 21000314600]

約数ペア:

[(1, 21000314600), (2, 10500157300), (4, 5250078650), (5, 4200062920), (8, 2625039325), (10, 2100031460), (20, 1050015730), (25, 840012584), (40, 525007865), (50, 420006292), (100, 210003146), (139, 151081400), (200, 105001573), (278, 75540700), (547, 38391800), (556, 37770350), (695, 30216280), (1094, 19195900), (1112, 18885175), (1381, 15206600), (1390, 15108140), (2188, 9597950), (2735, 7678360), (2762, 7603300), (2780, 7554070), (3475, 6043256), (4376, 4798975), (5470, 3839180), (5524, 3801650), (5560, 3777035), (6905, 3041320), (6950, 3021628), (10940, 1919590), (11048, 1900825), (13675, 1535672), (13810, 1520660), (13900, 1510814), (21880, 959795), (27350, 767836), (27620, 760330), (27800, 755407), (34525, 608264), (54700, 383918), (55240, 380165), (69050, 304132), (76033, 276200), (109400, 191959), (138100, 152066)]