21555168

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{7243}}^1$

素因数の和:7287

約数の個数: 48

約数和(自身を含む): 58415616

約数和(自身を除く): 36860448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 7243, 14486, 21729, 28972, 43458, 57944, 86916, 115888, 173832, 224533, 231776, 347664, 449066, 673599, 695328, 898132, 1347198, 1796264, 2694396, 3592528, 5388792, 7185056, 10777584, 21555168]

約数ペア:

[(1, 21555168), (2, 10777584), (3, 7185056), (4, 5388792), (6, 3592528), (8, 2694396), (12, 1796264), (16, 1347198), (24, 898132), (31, 695328), (32, 673599), (48, 449066), (62, 347664), (93, 231776), (96, 224533), (124, 173832), (186, 115888), (248, 86916), (372, 57944), (496, 43458), (744, 28972), (992, 21729), (1488, 14486), (2976, 7243)]