21644556

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 54998160

約数和(自身を除く): 33353604

約数列:

[1, 2, 3, 4, 6, 12, 29, 37, 41, 58, 74, 82, 87, 111, 116, 123, 148, 164, 174, 222, 246, 348, 444, 492, 1073, 1189, 1517, 1681, 2146, 2378, 3034, 3219, 3362, 3567, 4292, 4551, 4756, 5043, 6068, 6438, 6724, 7134, 9102, 10086, 12876, 14268, 18204, 20172, 43993, 48749, 62197, 87986, 97498, 124394, 131979, 146247, 175972, 186591, 194996, 248788, 263958, 292494, 373182, 527916, 584988, 746364, 1803713, 3607426, 5411139, 7214852, 10822278, 21644556]

約数ペア:

[(1, 21644556), (2, 10822278), (3, 7214852), (4, 5411139), (6, 3607426), (12, 1803713), (29, 746364), (37, 584988), (41, 527916), (58, 373182), (74, 292494), (82, 263958), (87, 248788), (111, 194996), (116, 186591), (123, 175972), (148, 146247), (164, 131979), (174, 124394), (222, 97498), (246, 87986), (348, 62197), (444, 48749), (492, 43993), (1073, 20172), (1189, 18204), (1517, 14268), (1681, 12876), (2146, 10086), (2378, 9102), (3034, 7134), (3219, 6724), (3362, 6438), (3567, 6068), (4292, 5043), (4551, 4756)]