2181218.00000000

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5657}}^1$

素因数の和:5716

約数の個数: 64

約数和(自身を含む): 179245440

約数和(自身を除く): 113567670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 258, 270, 387, 430, 645, 774, 1161, 1290, 1935, 2322, 3870, 5657, 5805, 11314, 11610, 16971, 28285, 33942, 50913, 56570, 84855, 101826, 152739, 169710, 243251, 254565, 305478, 486502, 509130, 729753, 763695, 1216255, 1459506, 1527390, 2189259, 2432510, 3648765, 4378518, 6567777, 7297530, 10946295, 13135554, 21892590, 32838885, 65677770]

約数ペア:

[(1, 65677770), (2, 32838885), (3, 21892590), (5, 13135554), (6, 10946295), (9, 7297530), (10, 6567777), (15, 4378518), (18, 3648765), (27, 2432510), (30, 2189259), (43, 1527390), (45, 1459506), (54, 1216255), (86, 763695), (90, 729753), (129, 509130), (135, 486502), (215, 305478), (258, 254565), (270, 243251), (387, 169710), (430, 152739), (645, 101826), (774, 84855), (1161, 56570), (1290, 50913), (1935, 33942), (2322, 28285), (3870, 16971), (5657, 11610), (5805, 11314)]