21215664

素因数分解:

$2^4\times 3^2\times {\mathrm{147331}}^1$

素因数の和:147345

約数の個数: 30

約数和(自身を含む): 59374796

約数和(自身を除く): 38159132

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147331, 294662, 441993, 589324, 883986, 1178648, 1325979, 1767972, 2357296, 2651958, 3535944, 5303916, 7071888, 10607832, 21215664]

約数ペア:

[(1, 21215664), (2, 10607832), (3, 7071888), (4, 5303916), (6, 3535944), (8, 2651958), (9, 2357296), (12, 1767972), (16, 1325979), (18, 1178648), (24, 883986), (36, 589324), (48, 441993), (72, 294662), (144, 147331)]