21836320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:698

約数の個数: 96

約数和(自身を含む): 59330880

約数和(自身を除く): 37494560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 304, 352, 380, 418, 440, 608, 653, 760, 836, 880, 1045, 1306, 1520, 1672, 1760, 2090, 2612, 3040, 3265, 3344, 4180, 5224, 6530, 6688, 7183, 8360, 10448, 12407, 13060, 14366, 16720, 20896, 24814, 26120, 28732, 33440, 35915, 49628, 52240, 57464, 62035, 71830, 99256, 104480, 114928, 124070, 136477, 143660, 198512, 229856, 248140, 272954, 287320, 397024, 496280, 545908, 574640, 682385, 992560, 1091816, 1149280, 1364770, 1985120, 2183632, 2729540, 4367264, 5459080, 10918160, 21836320]

約数ペア:

[(1, 21836320), (2, 10918160), (4, 5459080), (5, 4367264), (8, 2729540), (10, 2183632), (11, 1985120), (16, 1364770), (19, 1149280), (20, 1091816), (22, 992560), (32, 682385), (38, 574640), (40, 545908), (44, 496280), (55, 397024), (76, 287320), (80, 272954), (88, 248140), (95, 229856), (110, 198512), (152, 143660), (160, 136477), (176, 124070), (190, 114928), (209, 104480), (220, 99256), (304, 71830), (352, 62035), (380, 57464), (418, 52240), (440, 49628), (608, 35915), (653, 33440), (760, 28732), (836, 26120), (880, 24814), (1045, 20896), (1306, 16720), (1520, 14366), (1672, 13060), (1760, 12407), (2090, 10448), (2612, 8360), (3040, 7183), (3265, 6688), (3344, 6530), (4180, 5224)]