21905747064

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{16012973}}^1$

素因数の和:16013004

約数の個数: 48

約数和(自身を含む): 62450598600

約数和(自身を除く): 40544851536

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, 16012973, 32025946, 48038919, 64051892, 96077838, 128103784, 144116757, 192155676, 288233514, 304246487, 384311352, 576467028, 608492974, 912739461, 1152934056, 1216985948, 1825478922, 2433971896, 2738218383, 3650957844, 5476436766, 7301915688, 10952873532, 21905747064]

約数ペア:

[(1, 21905747064), (2, 10952873532), (3, 7301915688), (4, 5476436766), (6, 3650957844), (8, 2738218383), (9, 2433971896), (12, 1825478922), (18, 1216985948), (19, 1152934056), (24, 912739461), (36, 608492974), (38, 576467028), (57, 384311352), (72, 304246487), (76, 288233514), (114, 192155676), (152, 144116757), (171, 128103784), (228, 96077838), (342, 64051892), (456, 48038919), (684, 32025946), (1368, 16012973)]