21953040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 73495296

約数和(自身を除く): 51542256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 41, 46, 48, 60, 69, 80, 82, 92, 97, 115, 120, 123, 138, 164, 184, 194, 205, 230, 240, 246, 276, 291, 328, 345, 368, 388, 410, 460, 485, 492, 552, 582, 615, 656, 690, 776, 820, 920, 943, 970, 984, 1104, 1164, 1230, 1380, 1455, 1552, 1640, 1840, 1886, 1940, 1968, 2231, 2328, 2460, 2760, 2829, 2910, 3280, 3772, 3880, 3977, 4462, 4656, 4715, 4920, 5520, 5658, 5820, 6693, 7544, 7760, 7954, 8924, 9430, 9840, 11155, 11316, 11640, 11931, 13386, 14145, 15088, 15908, 17848, 18860, 19885, 22310, 22632, 23280, 23862, 26772, 28290, 31816, 33465, 35696, 37720, 39770, 44620, 45264, 47724, 53544, 56580, 59655, 63632, 66930, 75440, 79540, 89240, 91471, 95448, 107088, 113160, 119310, 133860, 159080, 178480, 182942, 190896, 226320, 238620, 267720, 274413, 318160, 365884, 457355, 477240, 535440, 548826, 731768, 914710, 954480, 1097652, 1372065, 1463536, 1829420, 2195304, 2744130, 3658840, 4390608, 5488260, 7317680, 10976520, 21953040]

約数ペア:

[(1, 21953040), (2, 10976520), (3, 7317680), (4, 5488260), (5, 4390608), (6, 3658840), (8, 2744130), (10, 2195304), (12, 1829420), (15, 1463536), (16, 1372065), (20, 1097652), (23, 954480), (24, 914710), (30, 731768), (40, 548826), (41, 535440), (46, 477240), (48, 457355), (60, 365884), (69, 318160), (80, 274413), (82, 267720), (92, 238620), (97, 226320), (115, 190896), (120, 182942), (123, 178480), (138, 159080), (164, 133860), (184, 119310), (194, 113160), (205, 107088), (230, 95448), (240, 91471), (246, 89240), (276, 79540), (291, 75440), (328, 66930), (345, 63632), (368, 59655), (388, 56580), (410, 53544), (460, 47724), (485, 45264), (492, 44620), (552, 39770), (582, 37720), (615, 35696), (656, 33465), (690, 31816), (776, 28290), (820, 26772), (920, 23862), (943, 23280), (970, 22632), (984, 22310), (1104, 19885), (1164, 18860), (1230, 17848), (1380, 15908), (1455, 15088), (1552, 14145), (1640, 13386), (1840, 11931), (1886, 11640), (1940, 11316), (1968, 11155), (2231, 9840), (2328, 9430), (2460, 8924), (2760, 7954), (2829, 7760), (2910, 7544), (3280, 6693), (3772, 5820), (3880, 5658), (3977, 5520), (4462, 4920), (4656, 4715)]