21676130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1479

約数の個数: 48

約数和(自身を含む): 46884096

約数和(自身を除く): 25207966

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1427, 1519, 2170, 2854, 3038, 7135, 7595, 9989, 14270, 15190, 19978, 44237, 49945, 69923, 88474, 99890, 139846, 221185, 309659, 349615, 442370, 619318, 699230, 1548295, 2167613, 3096590, 4335226, 10838065, 21676130]

約数ペア:

[(1, 21676130), (2, 10838065), (5, 4335226), (7, 3096590), (10, 2167613), (14, 1548295), (31, 699230), (35, 619318), (49, 442370), (62, 349615), (70, 309659), (98, 221185), (155, 139846), (217, 99890), (245, 88474), (310, 69923), (434, 49945), (490, 44237), (1085, 19978), (1427, 15190), (1519, 14270), (2170, 9989), (2854, 7595), (3038, 7135)]