21316750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 49166208

約数和(自身を除く): 27849458

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 125, 130, 175, 182, 250, 325, 350, 455, 650, 875, 910, 937, 1625, 1750, 1874, 2275, 3250, 4550, 4685, 6559, 9370, 11375, 12181, 13118, 22750, 23425, 24362, 32795, 46850, 60905, 65590, 85267, 117125, 121810, 163975, 170534, 234250, 304525, 327950, 426335, 609050, 819875, 852670, 1522625, 1639750, 2131675, 3045250, 4263350, 10658375, 21316750]

約数ペア:

[(1, 21316750), (2, 10658375), (5, 4263350), (7, 3045250), (10, 2131675), (13, 1639750), (14, 1522625), (25, 852670), (26, 819875), (35, 609050), (50, 426335), (65, 327950), (70, 304525), (91, 234250), (125, 170534), (130, 163975), (175, 121810), (182, 117125), (250, 85267), (325, 65590), (350, 60905), (455, 46850), (650, 32795), (875, 24362), (910, 23425), (937, 22750), (1625, 13118), (1750, 12181), (1874, 11375), (2275, 9370), (3250, 6559), (4550, 4685)]