21149388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45191}}^1$

素因数の和:45214

約数の個数: 36

約数和(自身を含む): 57574608

約数和(自身を除く): 36425220

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45191, 90382, 135573, 180764, 271146, 406719, 542292, 587483, 813438, 1174966, 1626876, 1762449, 2349932, 3524898, 5287347, 7049796, 10574694, 21149388]

約数ペア:

[(1, 21149388), (2, 10574694), (3, 7049796), (4, 5287347), (6, 3524898), (9, 2349932), (12, 1762449), (13, 1626876), (18, 1174966), (26, 813438), (36, 587483), (39, 542292), (52, 406719), (78, 271146), (117, 180764), (156, 135573), (234, 90382), (468, 45191)]