21584316

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1667}}^1$

素因数の和:1770

約数の個数: 48

約数和(自身を含む): 54923904

約数和(自身を除く): 33339588

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 83, 156, 166, 249, 332, 498, 996, 1079, 1667, 2158, 3237, 3334, 4316, 5001, 6474, 6668, 10002, 12948, 20004, 21671, 43342, 65013, 86684, 130026, 138361, 260052, 276722, 415083, 553444, 830166, 1660332, 1798693, 3597386, 5396079, 7194772, 10792158, 21584316]

約数ペア:

[(1, 21584316), (2, 10792158), (3, 7194772), (4, 5396079), (6, 3597386), (12, 1798693), (13, 1660332), (26, 830166), (39, 553444), (52, 415083), (78, 276722), (83, 260052), (156, 138361), (166, 130026), (249, 86684), (332, 65013), (498, 43342), (996, 21671), (1079, 20004), (1667, 12948), (2158, 10002), (3237, 6668), (3334, 6474), (4316, 5001)]