21347406

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 48542208

約数和(自身を除く): 27194802

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 67, 93, 134, 186, 201, 279, 402, 558, 571, 603, 1142, 1206, 1713, 2077, 3426, 4154, 5139, 6231, 10278, 12462, 17701, 18693, 35402, 37386, 38257, 53103, 76514, 106206, 114771, 159309, 229542, 318618, 344313, 688626, 1185967, 2371934, 3557901, 7115802, 10673703, 21347406]

約数ペア:

[(1, 21347406), (2, 10673703), (3, 7115802), (6, 3557901), (9, 2371934), (18, 1185967), (31, 688626), (62, 344313), (67, 318618), (93, 229542), (134, 159309), (186, 114771), (201, 106206), (279, 76514), (402, 53103), (558, 38257), (571, 37386), (603, 35402), (1142, 18693), (1206, 17701), (1713, 12462), (2077, 10278), (3426, 6231), (4154, 5139)]