21617568

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10723}}^1$

素因数の和:10746

約数の個数: 72

約数和(自身を含む): 70263648

約数和(自身を除く): 48646080

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10723, 21446, 32169, 42892, 64338, 75061, 85784, 96507, 128676, 150122, 171568, 193014, 225183, 257352, 300244, 343136, 386028, 450366, 514704, 600488, 675549, 772056, 900732, 1029408, 1200976, 1351098, 1544112, 1801464, 2401952, 2702196, 3088224, 3602928, 5404392, 7205856, 10808784, 21617568]

約数ペア:

[(1, 21617568), (2, 10808784), (3, 7205856), (4, 5404392), (6, 3602928), (7, 3088224), (8, 2702196), (9, 2401952), (12, 1801464), (14, 1544112), (16, 1351098), (18, 1200976), (21, 1029408), (24, 900732), (28, 772056), (32, 675549), (36, 600488), (42, 514704), (48, 450366), (56, 386028), (63, 343136), (72, 300244), (84, 257352), (96, 225183), (112, 193014), (126, 171568), (144, 150122), (168, 128676), (224, 96507), (252, 85784), (288, 75061), (336, 64338), (504, 42892), (672, 32169), (1008, 21446), (2016, 10723)]