21100320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14653}}^1$

素因数の和:14674

約数の個数: 72

約数和(自身を含む): 72009756

約数和(自身を除く): 50909436

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14653, 29306, 43959, 58612, 73265, 87918, 117224, 131877, 146530, 175836, 219795, 234448, 263754, 293060, 351672, 439590, 468896, 527508, 586120, 659385, 703344, 879180, 1055016, 1172240, 1318770, 1406688, 1758360, 2110032, 2344480, 2637540, 3516720, 4220064, 5275080, 7033440, 10550160, 21100320]

約数ペア:

[(1, 21100320), (2, 10550160), (3, 7033440), (4, 5275080), (5, 4220064), (6, 3516720), (8, 2637540), (9, 2344480), (10, 2110032), (12, 1758360), (15, 1406688), (16, 1318770), (18, 1172240), (20, 1055016), (24, 879180), (30, 703344), (32, 659385), (36, 586120), (40, 527508), (45, 468896), (48, 439590), (60, 351672), (72, 293060), (80, 263754), (90, 234448), (96, 219795), (120, 175836), (144, 146530), (160, 131877), (180, 117224), (240, 87918), (288, 73265), (360, 58612), (480, 43959), (720, 29306), (1440, 14653)]