21407832

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15649}}^1$

素因数の和:15680

約数の個数: 48

約数和(自身を含む): 61035000

約数和(自身を除く): 39627168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15649, 31298, 46947, 62596, 93894, 125192, 140841, 187788, 281682, 297331, 375576, 563364, 594662, 891993, 1126728, 1189324, 1783986, 2378648, 2675979, 3567972, 5351958, 7135944, 10703916, 21407832]

約数ペア:

[(1, 21407832), (2, 10703916), (3, 7135944), (4, 5351958), (6, 3567972), (8, 2675979), (9, 2378648), (12, 1783986), (18, 1189324), (19, 1126728), (24, 891993), (36, 594662), (38, 563364), (57, 375576), (72, 297331), (76, 281682), (114, 187788), (152, 140841), (171, 125192), (228, 93894), (342, 62596), (456, 46947), (684, 31298), (1368, 15649)]