21803602

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 14323118

約数列:

[1, 2, 19, 31, 38, 62, 83, 166, 223, 446, 589, 1178, 1577, 2573, 3154, 4237, 5146, 6913, 8474, 13826, 18509, 37018, 48887, 97774, 131347, 262694, 351671, 573779, 703342, 1147558, 10901801, 21803602]

約数ペア:

[(1, 21803602), (2, 10901801), (19, 1147558), (31, 703342), (38, 573779), (62, 351671), (83, 262694), (166, 131347), (223, 97774), (446, 48887), (589, 37018), (1178, 18509), (1577, 13826), (2573, 8474), (3154, 6913), (4237, 5146)]