21983416

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30197}}^1$

素因数の和:30223

約数の個数: 32

約数和(自身を含む): 50732640

約数和(自身を除く): 28749224

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 30197, 60394, 120788, 211379, 241576, 392561, 422758, 785122, 845516, 1570244, 1691032, 2747927, 3140488, 5495854, 10991708, 21983416]

約数ペア:

[(1, 21983416), (2, 10991708), (4, 5495854), (7, 3140488), (8, 2747927), (13, 1691032), (14, 1570244), (26, 845516), (28, 785122), (52, 422758), (56, 392561), (91, 241576), (104, 211379), (182, 120788), (364, 60394), (728, 30197)]