21768137690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{41233}}^1$

素因数の和:41415

約数の個数: 64

約数和(自身を含む): 43891448832

約数和(自身を除く): 22123311142

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 131, 155, 262, 310, 403, 655, 806, 1310, 1703, 2015, 3406, 4030, 4061, 8122, 8515, 17030, 20305, 40610, 41233, 52793, 82466, 105586, 206165, 263965, 412330, 527930, 536029, 1072058, 1278223, 2556446, 2680145, 5360290, 5401523, 6391115, 10803046, 12782230, 16616899, 27007615, 33233798, 54015230, 70219799, 83084495, 140439598, 166168990, 167447213, 334894426, 351098995, 702197990, 837236065, 1674472130, 2176813769, 4353627538, 10884068845, 21768137690]

約数ペア:

[(1, 21768137690), (2, 10884068845), (5, 4353627538), (10, 2176813769), (13, 1674472130), (26, 837236065), (31, 702197990), (62, 351098995), (65, 334894426), (130, 167447213), (131, 166168990), (155, 140439598), (262, 83084495), (310, 70219799), (403, 54015230), (655, 33233798), (806, 27007615), (1310, 16616899), (1703, 12782230), (2015, 10803046), (3406, 6391115), (4030, 5401523), (4061, 5360290), (8122, 2680145), (8515, 2556446), (17030, 1278223), (20305, 1072058), (40610, 536029), (41233, 527930), (52793, 412330), (82466, 263965), (105586, 206165)]