21031970110

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{673}}^1\times {\mathrm{22811}}^1$

素因数の和:23628

約数の個数: 32

約数和(自身を含む): 38192215392

約数和(自身を除く): 17160245282

約数列:

[1, 2, 5, 10, 137, 274, 673, 685, 1346, 1370, 3365, 6730, 22811, 45622, 92201, 114055, 184402, 228110, 461005, 922010, 3125107, 6250214, 15351803, 15625535, 30703606, 31251070, 76759015, 153518030, 2103197011, 4206394022, 10515985055, 21031970110]

約数ペア:

[(1, 21031970110), (2, 10515985055), (5, 4206394022), (10, 2103197011), (137, 153518030), (274, 76759015), (673, 31251070), (685, 30703606), (1346, 15625535), (1370, 15351803), (3365, 6250214), (6730, 3125107), (22811, 922010), (45622, 461005), (92201, 228110), (114055, 184402)]