21135582

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2203}}^1$

素因数の和:2265

約数の個数: 48

約数和(自身を含む): 50542128

約数和(自身を除く): 29406546

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 41, 78, 82, 117, 123, 234, 246, 369, 533, 738, 1066, 1599, 2203, 3198, 4406, 4797, 6609, 9594, 13218, 19827, 28639, 39654, 57278, 85917, 90323, 171834, 180646, 257751, 270969, 515502, 541938, 812907, 1174199, 1625814, 2348398, 3522597, 7045194, 10567791, 21135582]

約数ペア:

[(1, 21135582), (2, 10567791), (3, 7045194), (6, 3522597), (9, 2348398), (13, 1625814), (18, 1174199), (26, 812907), (39, 541938), (41, 515502), (78, 270969), (82, 257751), (117, 180646), (123, 171834), (234, 90323), (246, 85917), (369, 57278), (533, 39654), (738, 28639), (1066, 19827), (1599, 13218), (2203, 9594), (3198, 6609), (4406, 4797)]