21000455313

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1\times {\mathrm{461}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 28435663872

約数和(自身を除く): 7435208559

約数列:

[1, 3, 151, 227, 443, 453, 461, 681, 1329, 1383, 34277, 66893, 69611, 100561, 102831, 104647, 200679, 204223, 208833, 301683, 313941, 612669, 15184711, 15801697, 30837673, 45554133, 46358621, 47405091, 92513019, 139075863, 7000151771, 21000455313]

約数ペア:

[(1, 21000455313), (3, 7000151771), (151, 139075863), (227, 92513019), (443, 47405091), (453, 46358621), (461, 45554133), (681, 30837673), (1329, 15801697), (1383, 15184711), (34277, 612669), (66893, 313941), (69611, 301683), (100561, 208833), (102831, 204223), (104647, 200679)]