21991932

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{1297}}^1$

素因数の和:1467

約数の個数: 48

約数和(自身を含む): 57423520

約数和(自身を除く): 35431588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1297, 1413, 1884, 2594, 2826, 3891, 4239, 5188, 5652, 7782, 8478, 11673, 15564, 16956, 23346, 35019, 46692, 70038, 140076, 203629, 407258, 610887, 814516, 1221774, 1832661, 2443548, 3665322, 5497983, 7330644, 10995966, 21991932]

約数ペア:

[(1, 21991932), (2, 10995966), (3, 7330644), (4, 5497983), (6, 3665322), (9, 2443548), (12, 1832661), (18, 1221774), (27, 814516), (36, 610887), (54, 407258), (108, 203629), (157, 140076), (314, 70038), (471, 46692), (628, 35019), (942, 23346), (1297, 16956), (1413, 15564), (1884, 11673), (2594, 8478), (2826, 7782), (3891, 5652), (4239, 5188)]