21405096

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15647}}^1$

素因数の和:15678

約数の個数: 48

約数和(自身を含む): 61027200

約数和(自身を除く): 39622104

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, 15647, 31294, 46941, 62588, 93882, 125176, 140823, 187764, 281646, 297293, 375528, 563292, 594586, 891879, 1126584, 1189172, 1783758, 2378344, 2675637, 3567516, 5351274, 7135032, 10702548, 21405096]

約数ペア:

[(1, 21405096), (2, 10702548), (3, 7135032), (4, 5351274), (6, 3567516), (8, 2675637), (9, 2378344), (12, 1783758), (18, 1189172), (19, 1126584), (24, 891879), (36, 594586), (38, 563292), (57, 375528), (72, 297293), (76, 281646), (114, 187764), (152, 140823), (171, 125176), (228, 93882), (342, 62588), (456, 46941), (684, 31294), (1368, 15647)]