21342984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1021}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 58376640

約数和(自身を除く): 37033656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 78, 104, 134, 156, 201, 268, 312, 402, 536, 804, 871, 1021, 1608, 1742, 2042, 2613, 3063, 3484, 4084, 5226, 6126, 6968, 8168, 10452, 12252, 13273, 20904, 24504, 26546, 39819, 53092, 68407, 79638, 106184, 136814, 159276, 205221, 273628, 318552, 410442, 547256, 820884, 889291, 1641768, 1778582, 2667873, 3557164, 5335746, 7114328, 10671492, 21342984]

約数ペア:

[(1, 21342984), (2, 10671492), (3, 7114328), (4, 5335746), (6, 3557164), (8, 2667873), (12, 1778582), (13, 1641768), (24, 889291), (26, 820884), (39, 547256), (52, 410442), (67, 318552), (78, 273628), (104, 205221), (134, 159276), (156, 136814), (201, 106184), (268, 79638), (312, 68407), (402, 53092), (536, 39819), (804, 26546), (871, 24504), (1021, 20904), (1608, 13273), (1742, 12252), (2042, 10452), (2613, 8168), (3063, 6968), (3484, 6126), (4084, 5226)]