21665720454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{97459}}^1$

素因数の和:97617

約数の個数: 64

約数和(自身を含む): 50897510400

約数和(自身を除く): 29231789946

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 79, 134, 158, 201, 237, 402, 469, 474, 553, 938, 1106, 1407, 1659, 2814, 3318, 5293, 10586, 15879, 31758, 37051, 74102, 97459, 111153, 194918, 222306, 292377, 584754, 682213, 1364426, 2046639, 4093278, 6529753, 7699261, 13059506, 15398522, 19589259, 23097783, 39178518, 45708271, 46195566, 53894827, 91416542, 107789654, 137124813, 161684481, 274249626, 323368962, 515850487, 1031700974, 1547551461, 3095102922, 3610953409, 7221906818, 10832860227, 21665720454]

約数ペア:

[(1, 21665720454), (2, 10832860227), (3, 7221906818), (6, 3610953409), (7, 3095102922), (14, 1547551461), (21, 1031700974), (42, 515850487), (67, 323368962), (79, 274249626), (134, 161684481), (158, 137124813), (201, 107789654), (237, 91416542), (402, 53894827), (469, 46195566), (474, 45708271), (553, 39178518), (938, 23097783), (1106, 19589259), (1407, 15398522), (1659, 13059506), (2814, 7699261), (3318, 6529753), (5293, 4093278), (10586, 2046639), (15879, 1364426), (31758, 682213), (37051, 584754), (74102, 292377), (97459, 222306), (111153, 194918)]