21621886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 20472194

約数列:

[1, 2, 11, 13, 19, 22, 23, 26, 38, 46, 143, 173, 209, 247, 253, 286, 299, 346, 418, 437, 494, 506, 598, 874, 1903, 2249, 2717, 3287, 3289, 3806, 3979, 4498, 4807, 5434, 5681, 6574, 6578, 7958, 9614, 11362, 24739, 36157, 42731, 43769, 49478, 51727, 62491, 72314, 75601, 85462, 87538, 103454, 124982, 151202, 470041, 568997, 831611, 940082, 982813, 1137994, 1663222, 1965626, 10810943, 21621886]

約数ペア:

[(1, 21621886), (2, 10810943), (11, 1965626), (13, 1663222), (19, 1137994), (22, 982813), (23, 940082), (26, 831611), (38, 568997), (46, 470041), (143, 151202), (173, 124982), (209, 103454), (247, 87538), (253, 85462), (286, 75601), (299, 72314), (346, 62491), (418, 51727), (437, 49478), (494, 43769), (506, 42731), (598, 36157), (874, 24739), (1903, 11362), (2249, 9614), (2717, 7958), (3287, 6578), (3289, 6574), (3806, 5681), (3979, 5434), (4498, 4807)]