21177888

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{7607}}^1$

素因数の和:7649

約数の個数: 48

約数和(自身を含む): 57516480

約数和(自身を除く): 36338592

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 348, 464, 696, 928, 1392, 2784, 7607, 15214, 22821, 30428, 45642, 60856, 91284, 121712, 182568, 220603, 243424, 365136, 441206, 661809, 730272, 882412, 1323618, 1764824, 2647236, 3529648, 5294472, 7059296, 10588944, 21177888]

約数ペア:

[(1, 21177888), (2, 10588944), (3, 7059296), (4, 5294472), (6, 3529648), (8, 2647236), (12, 1764824), (16, 1323618), (24, 882412), (29, 730272), (32, 661809), (48, 441206), (58, 365136), (87, 243424), (96, 220603), (116, 182568), (174, 121712), (232, 91284), (348, 60856), (464, 45642), (696, 30428), (928, 22821), (1392, 15214), (2784, 7607)]