21185502

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1277

約数の個数: 48

約数和(自身を含む): 48619440

約数和(自身を除く): 27433938

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 169, 221, 338, 442, 507, 663, 1014, 1229, 1326, 2458, 2873, 3687, 5746, 7374, 8619, 15977, 17238, 20893, 31954, 41786, 47931, 62679, 95862, 125358, 207701, 271609, 415402, 543218, 623103, 814827, 1246206, 1629654, 3530917, 7061834, 10592751, 21185502]

約数ペア:

[(1, 21185502), (2, 10592751), (3, 7061834), (6, 3530917), (13, 1629654), (17, 1246206), (26, 814827), (34, 623103), (39, 543218), (51, 415402), (78, 271609), (102, 207701), (169, 125358), (221, 95862), (338, 62679), (442, 47931), (507, 41786), (663, 31954), (1014, 20893), (1229, 17238), (1326, 15977), (2458, 8619), (2873, 7374), (3687, 5746)]