21198456

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 44119944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 23, 24, 27, 34, 36, 46, 51, 54, 68, 69, 72, 92, 102, 108, 136, 138, 153, 184, 204, 207, 216, 251, 276, 306, 391, 408, 414, 459, 502, 552, 612, 621, 753, 782, 828, 918, 1004, 1173, 1224, 1242, 1506, 1564, 1656, 1836, 2008, 2259, 2346, 2484, 3012, 3128, 3519, 3672, 4267, 4518, 4692, 4968, 5773, 6024, 6777, 7038, 8534, 9036, 9384, 10557, 11546, 12801, 13554, 14076, 17068, 17319, 18072, 21114, 23092, 25602, 27108, 28152, 34136, 34638, 38403, 42228, 46184, 51204, 51957, 54216, 69276, 76806, 84456, 98141, 102408, 103914, 115209, 138552, 153612, 155871, 196282, 207828, 230418, 294423, 307224, 311742, 392564, 415656, 460836, 588846, 623484, 785128, 883269, 921672, 1177692, 1246968, 1766538, 2355384, 2649807, 3533076, 5299614, 7066152, 10599228, 21198456]

約数ペア:

[(1, 21198456), (2, 10599228), (3, 7066152), (4, 5299614), (6, 3533076), (8, 2649807), (9, 2355384), (12, 1766538), (17, 1246968), (18, 1177692), (23, 921672), (24, 883269), (27, 785128), (34, 623484), (36, 588846), (46, 460836), (51, 415656), (54, 392564), (68, 311742), (69, 307224), (72, 294423), (92, 230418), (102, 207828), (108, 196282), (136, 155871), (138, 153612), (153, 138552), (184, 115209), (204, 103914), (207, 102408), (216, 98141), (251, 84456), (276, 76806), (306, 69276), (391, 54216), (408, 51957), (414, 51204), (459, 46184), (502, 42228), (552, 38403), (612, 34638), (621, 34136), (753, 28152), (782, 27108), (828, 25602), (918, 23092), (1004, 21114), (1173, 18072), (1224, 17319), (1242, 17068), (1506, 14076), (1564, 13554), (1656, 12801), (1836, 11546), (2008, 10557), (2259, 9384), (2346, 9036), (2484, 8534), (3012, 7038), (3128, 6777), (3519, 6024), (3672, 5773), (4267, 4968), (4518, 4692)]