21005514294

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:434

約数の個数: 96

約数和(自身を含む): 44176320000

約数和(自身を除く): 23170805706

約数列:

[1, 2, 3, 6, 59, 71, 79, 118, 142, 149, 158, 177, 213, 237, 298, 354, 426, 447, 474, 894, 4189, 4661, 5041, 5609, 8378, 8791, 9322, 10082, 10579, 11218, 11771, 12567, 13983, 15123, 16827, 17582, 21158, 23542, 25134, 26373, 27966, 30246, 31737, 33654, 35313, 52746, 63474, 70626, 297419, 330931, 398239, 594838, 624161, 661862, 694489, 751109, 796478, 835741, 892257, 992793, 1194717, 1248322, 1388978, 1502218, 1671482, 1784514, 1872483, 1985586, 2083467, 2253327, 2389434, 2507223, 3744966, 4166934, 4506654, 5014446, 23496101, 44315431, 46992202, 49308719, 59337611, 70488303, 88630862, 98617438, 118675222, 132946293, 140976606, 147926157, 178012833, 265892586, 295852314, 356025666, 3500919049, 7001838098, 10502757147, 21005514294]

約数ペア:

[(1, 21005514294), (2, 10502757147), (3, 7001838098), (6, 3500919049), (59, 356025666), (71, 295852314), (79, 265892586), (118, 178012833), (142, 147926157), (149, 140976606), (158, 132946293), (177, 118675222), (213, 98617438), (237, 88630862), (298, 70488303), (354, 59337611), (426, 49308719), (447, 46992202), (474, 44315431), (894, 23496101), (4189, 5014446), (4661, 4506654), (5041, 4166934), (5609, 3744966), (8378, 2507223), (8791, 2389434), (9322, 2253327), (10082, 2083467), (10579, 1985586), (11218, 1872483), (11771, 1784514), (12567, 1671482), (13983, 1502218), (15123, 1388978), (16827, 1248322), (17582, 1194717), (21158, 992793), (23542, 892257), (25134, 835741), (26373, 796478), (27966, 751109), (30246, 694489), (31737, 661862), (33654, 624161), (35313, 594838), (52746, 398239), (63474, 330931), (70626, 297419)]