21614778

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 48353760

約数和(自身を除く): 26738982

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 139, 159, 163, 278, 318, 326, 417, 477, 489, 834, 954, 978, 1251, 1467, 2502, 2934, 7367, 8639, 14734, 17278, 22101, 22657, 25917, 44202, 45314, 51834, 66303, 67971, 77751, 132606, 135942, 155502, 203913, 407826, 1200821, 2401642, 3602463, 7204926, 10807389, 21614778]

約数ペア:

[(1, 21614778), (2, 10807389), (3, 7204926), (6, 3602463), (9, 2401642), (18, 1200821), (53, 407826), (106, 203913), (139, 155502), (159, 135942), (163, 132606), (278, 77751), (318, 67971), (326, 66303), (417, 51834), (477, 45314), (489, 44202), (834, 25917), (954, 22657), (978, 22101), (1251, 17278), (1467, 14734), (2502, 8639), (2934, 7367)]