21638124

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 60641280

約数和(自身を除く): 39003156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 31, 36, 46, 54, 62, 69, 92, 93, 108, 124, 138, 186, 207, 276, 279, 281, 372, 414, 558, 562, 621, 713, 828, 837, 843, 1116, 1124, 1242, 1426, 1674, 1686, 2139, 2484, 2529, 2852, 3348, 3372, 4278, 5058, 6417, 6463, 7587, 8556, 8711, 10116, 12834, 12926, 15174, 17422, 19251, 19389, 25668, 25852, 26133, 30348, 34844, 38502, 38778, 52266, 58167, 77004, 77556, 78399, 104532, 116334, 156798, 174501, 200353, 232668, 235197, 313596, 349002, 400706, 470394, 601059, 698004, 801412, 940788, 1202118, 1803177, 2404236, 3606354, 5409531, 7212708, 10819062, 21638124]

約数ペア:

[(1, 21638124), (2, 10819062), (3, 7212708), (4, 5409531), (6, 3606354), (9, 2404236), (12, 1803177), (18, 1202118), (23, 940788), (27, 801412), (31, 698004), (36, 601059), (46, 470394), (54, 400706), (62, 349002), (69, 313596), (92, 235197), (93, 232668), (108, 200353), (124, 174501), (138, 156798), (186, 116334), (207, 104532), (276, 78399), (279, 77556), (281, 77004), (372, 58167), (414, 52266), (558, 38778), (562, 38502), (621, 34844), (713, 30348), (828, 26133), (837, 25852), (843, 25668), (1116, 19389), (1124, 19251), (1242, 17422), (1426, 15174), (1674, 12926), (1686, 12834), (2139, 10116), (2484, 8711), (2529, 8556), (2852, 7587), (3348, 6463), (3372, 6417), (4278, 5058)]