21931416

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23431}}^1$

素因数の和:23456

約数の個数: 48

約数和(自身を含む): 63969360

約数和(自身を除く): 42037944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 23431, 46862, 70293, 93724, 140586, 187448, 210879, 281172, 304603, 421758, 562344, 609206, 843516, 913809, 1218412, 1687032, 1827618, 2436824, 2741427, 3655236, 5482854, 7310472, 10965708, 21931416]

約数ペア:

[(1, 21931416), (2, 10965708), (3, 7310472), (4, 5482854), (6, 3655236), (8, 2741427), (9, 2436824), (12, 1827618), (13, 1687032), (18, 1218412), (24, 913809), (26, 843516), (36, 609206), (39, 562344), (52, 421758), (72, 304603), (78, 281172), (104, 210879), (117, 187448), (156, 140586), (234, 93724), (312, 70293), (468, 46862), (936, 23431)]