21293776

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6133}}^1$

素因数の和:6179

約数の個数: 40

約数和(自身を含む): 48679424

約数和(自身を除く): 27385648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6133, 12266, 24532, 42931, 49064, 85862, 98128, 171724, 190123, 343448, 380246, 686896, 760492, 1330861, 1520984, 2661722, 3041968, 5323444, 10646888, 21293776]

約数ペア:

[(1, 21293776), (2, 10646888), (4, 5323444), (7, 3041968), (8, 2661722), (14, 1520984), (16, 1330861), (28, 760492), (31, 686896), (56, 380246), (62, 343448), (112, 190123), (124, 171724), (217, 98128), (248, 85862), (434, 49064), (496, 42931), (868, 24532), (1736, 12266), (3472, 6133)]