21718242

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13259}}^1$

素因数の和:13287

約数の個数: 48

約数和(自身を含む): 57919680

約数和(自身を除く): 36201438

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 13259, 26518, 39777, 79554, 92813, 119331, 172367, 185626, 238662, 278439, 344734, 517101, 556878, 835317, 1034202, 1206569, 1551303, 1670634, 2413138, 3102606, 3619707, 7239414, 10859121, 21718242]

約数ペア:

[(1, 21718242), (2, 10859121), (3, 7239414), (6, 3619707), (7, 3102606), (9, 2413138), (13, 1670634), (14, 1551303), (18, 1206569), (21, 1034202), (26, 835317), (39, 556878), (42, 517101), (63, 344734), (78, 278439), (91, 238662), (117, 185626), (126, 172367), (182, 119331), (234, 92813), (273, 79554), (546, 39777), (819, 26518), (1638, 13259)]