21902791251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{40867}}^1$

素因数の和:41139

約数の個数: 32

約数和(自身を含む): 32367456000

約数和(自身を除く): 10464664749

約数列:

[1, 3, 11, 33, 109, 149, 327, 447, 1199, 1639, 3597, 4917, 16241, 40867, 48723, 122601, 178651, 449537, 535953, 1348611, 4454503, 6089183, 13363509, 18267549, 48999533, 66981013, 146998599, 200943039, 663720947, 1991162841, 7300930417, 21902791251]

約数ペア:

[(1, 21902791251), (3, 7300930417), (11, 1991162841), (33, 663720947), (109, 200943039), (149, 146998599), (327, 66981013), (447, 48999533), (1199, 18267549), (1639, 13363509), (3597, 6089183), (4917, 4454503), (16241, 1348611), (40867, 535953), (48723, 449537), (122601, 178651)]