21000905719926

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1\times {\mathrm{8193103}}^1$

素因数の和:8193737

約数の個数: 64

約数和(自身を含む): 46550464045056

約数和(自身を除く): 25549558325130

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 547, 781, 1094, 1562, 1641, 2343, 3282, 4686, 6017, 12034, 18051, 36102, 38837, 77674, 116511, 233022, 427207, 854414, 1281621, 2563242, 8193103, 16386206, 24579309, 49158618, 90124133, 180248266, 270372399, 540744798, 581710313, 1163420626, 1745130939, 3490261878, 4481627341, 6398813443, 8963254682, 12797626886, 13444882023, 19196440329, 26889764046, 38392880658, 49297900751, 98595801502, 147893702253, 295787404506, 318195541211, 636391082422, 954586623633, 1909173247266, 3500150953321, 7000301906642, 10500452859963, 21000905719926]

約数ペア:

[(1, 21000905719926), (2, 10500452859963), (3, 7000301906642), (6, 3500150953321), (11, 1909173247266), (22, 954586623633), (33, 636391082422), (66, 318195541211), (71, 295787404506), (142, 147893702253), (213, 98595801502), (426, 49297900751), (547, 38392880658), (781, 26889764046), (1094, 19196440329), (1562, 13444882023), (1641, 12797626886), (2343, 8963254682), (3282, 6398813443), (4686, 4481627341), (6017, 3490261878), (12034, 1745130939), (18051, 1163420626), (36102, 581710313), (38837, 540744798), (77674, 270372399), (116511, 180248266), (233022, 90124133), (427207, 49158618), (854414, 24579309), (1281621, 16386206), (2563242, 8193103)]