21889368

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{16001}}^1$

素因数の和:16032

約数の個数: 48

約数和(自身を含む): 62407800

約数和(自身を除く): 40518432

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, 16001, 32002, 48003, 64004, 96006, 128008, 144009, 192012, 288018, 304019, 384024, 576036, 608038, 912057, 1152072, 1216076, 1824114, 2432152, 2736171, 3648228, 5472342, 7296456, 10944684, 21889368]

約数ペア:

[(1, 21889368), (2, 10944684), (3, 7296456), (4, 5472342), (6, 3648228), (8, 2736171), (9, 2432152), (12, 1824114), (18, 1216076), (19, 1152072), (24, 912057), (36, 608038), (38, 576036), (57, 384024), (72, 304019), (76, 288018), (114, 192012), (152, 144009), (171, 128008), (228, 96006), (342, 64004), (456, 48003), (684, 32002), (1368, 16001)]