21710970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 58337280

約数和(自身を除く): 36626310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 191, 270, 382, 421, 573, 842, 955, 1146, 1263, 1719, 1910, 2105, 2526, 2865, 3438, 3789, 4210, 5157, 5730, 6315, 7578, 8595, 10314, 11367, 12630, 17190, 18945, 22734, 25785, 37890, 51570, 56835, 80411, 113670, 160822, 241233, 402055, 482466, 723699, 804110, 1206165, 1447398, 2171097, 2412330, 3618495, 4342194, 7236990, 10855485, 21710970]

約数ペア:

[(1, 21710970), (2, 10855485), (3, 7236990), (5, 4342194), (6, 3618495), (9, 2412330), (10, 2171097), (15, 1447398), (18, 1206165), (27, 804110), (30, 723699), (45, 482466), (54, 402055), (90, 241233), (135, 160822), (191, 113670), (270, 80411), (382, 56835), (421, 51570), (573, 37890), (842, 25785), (955, 22734), (1146, 18945), (1263, 17190), (1719, 12630), (1910, 11367), (2105, 10314), (2526, 8595), (2865, 7578), (3438, 6315), (3789, 5730), (4210, 5157)]