21577374

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4391}}^1$

素因数の和:4422

約数の個数: 64

約数和(自身を含む): 59028480

約数和(自身を除く): 37451106

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4391, 4914, 8782, 13173, 26346, 30737, 39519, 57083, 61474, 79038, 92211, 114166, 118557, 171249, 184422, 237114, 276633, 342498, 399581, 513747, 553266, 799162, 829899, 1027494, 1198743, 1541241, 1659798, 2397486, 3082482, 3596229, 7192458, 10788687, 21577374]

約数ペア:

[(1, 21577374), (2, 10788687), (3, 7192458), (6, 3596229), (7, 3082482), (9, 2397486), (13, 1659798), (14, 1541241), (18, 1198743), (21, 1027494), (26, 829899), (27, 799162), (39, 553266), (42, 513747), (54, 399581), (63, 342498), (78, 276633), (91, 237114), (117, 184422), (126, 171249), (182, 118557), (189, 114166), (234, 92211), (273, 79038), (351, 61474), (378, 57083), (546, 39519), (702, 30737), (819, 26346), (1638, 13173), (2457, 8782), (4391, 4914)]