21483487870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{1259}}^1$

素因数の和:1754

約数の個数: 96

約数和(自身を含む): 43828646400

約数和(自身を除く): 22345158530

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 169, 230, 299, 338, 439, 598, 845, 878, 1259, 1495, 1690, 2195, 2518, 2990, 3887, 4390, 5707, 6295, 7774, 10097, 11414, 12590, 16367, 19435, 20194, 28535, 28957, 32734, 38870, 50485, 57070, 57914, 74191, 81835, 100970, 131261, 144785, 148382, 163670, 212771, 262522, 289570, 370955, 376441, 425542, 552701, 656305, 741910, 752882, 1063855, 1105402, 1312610, 1706393, 1882205, 2127710, 2763505, 3412786, 3764410, 4893733, 5527010, 7185113, 8531965, 9787466, 12712123, 14370226, 17063930, 24468665, 25424246, 35925565, 48937330, 63560615, 71851130, 93406469, 127121230, 165257599, 186812938, 330515198, 467032345, 826287995, 934064690, 1652575990, 2148348787, 4296697574, 10741743935, 21483487870]

約数ペア:

[(1, 21483487870), (2, 10741743935), (5, 4296697574), (10, 2148348787), (13, 1652575990), (23, 934064690), (26, 826287995), (46, 467032345), (65, 330515198), (115, 186812938), (130, 165257599), (169, 127121230), (230, 93406469), (299, 71851130), (338, 63560615), (439, 48937330), (598, 35925565), (845, 25424246), (878, 24468665), (1259, 17063930), (1495, 14370226), (1690, 12712123), (2195, 9787466), (2518, 8531965), (2990, 7185113), (3887, 5527010), (4390, 4893733), (5707, 3764410), (6295, 3412786), (7774, 2763505), (10097, 2127710), (11414, 1882205), (12590, 1706393), (16367, 1312610), (19435, 1105402), (20194, 1063855), (28535, 752882), (28957, 741910), (32734, 656305), (38870, 552701), (50485, 425542), (57070, 376441), (57914, 370955), (74191, 289570), (81835, 262522), (100970, 212771), (131261, 163670), (144785, 148382)]