21459874

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 13791326

約数列:

[1, 2, 23, 31, 46, 62, 101, 149, 202, 298, 713, 1426, 2323, 3131, 3427, 4619, 4646, 6262, 6854, 9238, 15049, 30098, 72013, 106237, 144026, 212474, 346127, 466519, 692254, 933038, 10729937, 21459874]

約数ペア:

[(1, 21459874), (2, 10729937), (23, 933038), (31, 692254), (46, 466519), (62, 346127), (101, 212474), (149, 144026), (202, 106237), (298, 72013), (713, 30098), (1426, 15049), (2323, 9238), (3131, 6854), (3427, 6262), (4619, 4646)]