21028898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{953}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 37091520

約数和(自身を除く): 16062622

約数列:

[1, 2, 11, 17, 22, 34, 59, 118, 187, 374, 649, 953, 1003, 1298, 1906, 2006, 10483, 11033, 16201, 20966, 22066, 32402, 56227, 112454, 178211, 356422, 618497, 955859, 1236994, 1911718, 10514449, 21028898]

約数ペア:

[(1, 21028898), (2, 10514449), (11, 1911718), (17, 1236994), (22, 955859), (34, 618497), (59, 356422), (118, 178211), (187, 112454), (374, 56227), (649, 32402), (953, 22066), (1003, 20966), (1298, 16201), (1906, 11033), (2006, 10483)]