21631752

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 65577600

約数和(自身を除く): 43945848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 43, 51, 54, 68, 72, 86, 102, 108, 129, 136, 137, 153, 172, 204, 216, 258, 274, 306, 344, 387, 408, 411, 459, 516, 548, 612, 731, 774, 822, 918, 1032, 1096, 1161, 1224, 1233, 1462, 1548, 1644, 1836, 2193, 2322, 2329, 2466, 2924, 3096, 3288, 3672, 3699, 4386, 4644, 4658, 4932, 5848, 5891, 6579, 6987, 7398, 8772, 9288, 9316, 9864, 11782, 13158, 13974, 14796, 17544, 17673, 18632, 19737, 20961, 23564, 26316, 27948, 29592, 35346, 39474, 41922, 47128, 52632, 53019, 55896, 62883, 70692, 78948, 83844, 100147, 106038, 125766, 141384, 157896, 159057, 167688, 200294, 212076, 251532, 300441, 318114, 400588, 424152, 503064, 600882, 636228, 801176, 901323, 1201764, 1272456, 1802646, 2403528, 2703969, 3605292, 5407938, 7210584, 10815876, 21631752]

約数ペア:

[(1, 21631752), (2, 10815876), (3, 7210584), (4, 5407938), (6, 3605292), (8, 2703969), (9, 2403528), (12, 1802646), (17, 1272456), (18, 1201764), (24, 901323), (27, 801176), (34, 636228), (36, 600882), (43, 503064), (51, 424152), (54, 400588), (68, 318114), (72, 300441), (86, 251532), (102, 212076), (108, 200294), (129, 167688), (136, 159057), (137, 157896), (153, 141384), (172, 125766), (204, 106038), (216, 100147), (258, 83844), (274, 78948), (306, 70692), (344, 62883), (387, 55896), (408, 53019), (411, 52632), (459, 47128), (516, 41922), (548, 39474), (612, 35346), (731, 29592), (774, 27948), (822, 26316), (918, 23564), (1032, 20961), (1096, 19737), (1161, 18632), (1224, 17673), (1233, 17544), (1462, 14796), (1548, 13974), (1644, 13158), (1836, 11782), (2193, 9864), (2322, 9316), (2329, 9288), (2466, 8772), (2924, 7398), (3096, 6987), (3288, 6579), (3672, 5891), (3699, 5848), (4386, 4932), (4644, 4658)]