21372967008

素因数分解:

$2^5\times 3^2\times {\mathrm{509}}^1\times {\mathrm{145799}}^1$

素因数の和:146324

約数の個数: 72

約数和(自身を含む): 60899202000

約数和(自身を除く): 39526234992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 509, 1018, 1527, 2036, 3054, 4072, 4581, 6108, 8144, 9162, 12216, 16288, 18324, 24432, 36648, 48864, 73296, 145799, 146592, 291598, 437397, 583196, 874794, 1166392, 1312191, 1749588, 2332784, 2624382, 3499176, 4665568, 5248764, 6998352, 10497528, 13996704, 20995056, 41990112, 74211691, 148423382, 222635073, 296846764, 445270146, 593693528, 667905219, 890540292, 1187387056, 1335810438, 1781080584, 2374774112, 2671620876, 3562161168, 5343241752, 7124322336, 10686483504, 21372967008]

約数ペア:

[(1, 21372967008), (2, 10686483504), (3, 7124322336), (4, 5343241752), (6, 3562161168), (8, 2671620876), (9, 2374774112), (12, 1781080584), (16, 1335810438), (18, 1187387056), (24, 890540292), (32, 667905219), (36, 593693528), (48, 445270146), (72, 296846764), (96, 222635073), (144, 148423382), (288, 74211691), (509, 41990112), (1018, 20995056), (1527, 13996704), (2036, 10497528), (3054, 6998352), (4072, 5248764), (4581, 4665568), (6108, 3499176), (8144, 2624382), (9162, 2332784), (12216, 1749588), (16288, 1312191), (18324, 1166392), (24432, 874794), (36648, 583196), (48864, 437397), (73296, 291598), (145799, 146592)]