21551117970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{59453}}^1$

素因数の和:59787

約数の個数: 64

約数和(自身を含む): 53114776704

約数和(自身を除く): 31563658734

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 281, 430, 562, 645, 843, 1290, 1405, 1686, 2810, 4215, 8430, 12083, 24166, 36249, 59453, 60415, 72498, 118906, 120830, 178359, 181245, 297265, 356718, 362490, 594530, 891795, 1783590, 2556479, 5112958, 7669437, 12782395, 15338874, 16706293, 25564790, 33412586, 38347185, 50118879, 76694370, 83531465, 100237758, 167062930, 250594395, 501188790, 718370599, 1436741198, 2155111797, 3591852995, 4310223594, 7183705990, 10775558985, 21551117970]

約数ペア:

[(1, 21551117970), (2, 10775558985), (3, 7183705990), (5, 4310223594), (6, 3591852995), (10, 2155111797), (15, 1436741198), (30, 718370599), (43, 501188790), (86, 250594395), (129, 167062930), (215, 100237758), (258, 83531465), (281, 76694370), (430, 50118879), (562, 38347185), (645, 33412586), (843, 25564790), (1290, 16706293), (1405, 15338874), (1686, 12782395), (2810, 7669437), (4215, 5112958), (8430, 2556479), (12083, 1783590), (24166, 891795), (36249, 594530), (59453, 362490), (60415, 356718), (72498, 297265), (118906, 181245), (120830, 178359)]