21180378

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4951}}^1$

素因数の和:5010

約数の個数: 32

約数和(自身を含む): 45637632

約数和(自身を除く): 24457254

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 69, 93, 138, 186, 713, 1426, 2139, 4278, 4951, 9902, 14853, 29706, 113873, 153481, 227746, 306962, 341619, 460443, 683238, 920886, 3530063, 7060126, 10590189, 21180378]

約数ペア:

[(1, 21180378), (2, 10590189), (3, 7060126), (6, 3530063), (23, 920886), (31, 683238), (46, 460443), (62, 341619), (69, 306962), (93, 227746), (138, 153481), (186, 113873), (713, 29706), (1426, 14853), (2139, 9902), (4278, 4951)]