21721602

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73883}}^1$

素因数の和:73902

約数の個数: 24

約数和(自身を含む): 50536656

約数和(自身を除く): 28815054

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 73883, 147766, 221649, 443298, 517181, 1034362, 1551543, 3103086, 3620267, 7240534, 10860801, 21721602]

約数ペア:

[(1, 21721602), (2, 10860801), (3, 7240534), (6, 3620267), (7, 3103086), (14, 1551543), (21, 1034362), (42, 517181), (49, 443298), (98, 221649), (147, 147766), (294, 73883)]