21104220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1667}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 59407488

約数和(自身を除く): 38303268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 1667, 2110, 2532, 3165, 3334, 4220, 5001, 6330, 6668, 8335, 10002, 12660, 16670, 20004, 25005, 33340, 50010, 100020, 351737, 703474, 1055211, 1406948, 1758685, 2110422, 3517370, 4220844, 5276055, 7034740, 10552110, 21104220]

約数ペア:

[(1, 21104220), (2, 10552110), (3, 7034740), (4, 5276055), (5, 4220844), (6, 3517370), (10, 2110422), (12, 1758685), (15, 1406948), (20, 1055211), (30, 703474), (60, 351737), (211, 100020), (422, 50010), (633, 33340), (844, 25005), (1055, 20004), (1266, 16670), (1667, 12660), (2110, 10002), (2532, 8335), (3165, 6668), (3334, 6330), (4220, 5001)]