21432304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70501}}^1$

素因数の和:70528

約数の個数: 20

約数和(自身を含む): 43711240

約数和(自身を除く): 22278936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70501, 141002, 282004, 564008, 1128016, 1339519, 2679038, 5358076, 10716152, 21432304]

約数ペア:

[(1, 21432304), (2, 10716152), (4, 5358076), (8, 2679038), (16, 1339519), (19, 1128016), (38, 564008), (76, 282004), (152, 141002), (304, 70501)]