21209130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 59155200

約数和(自身を除く): 37946070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 79, 90, 95, 114, 157, 158, 171, 190, 237, 285, 314, 342, 395, 471, 474, 570, 711, 785, 790, 855, 942, 1185, 1413, 1422, 1501, 1570, 1710, 2355, 2370, 2826, 2983, 3002, 3555, 4503, 4710, 5966, 7065, 7110, 7505, 8949, 9006, 12403, 13509, 14130, 14915, 15010, 17898, 22515, 24806, 26847, 27018, 29830, 37209, 44745, 45030, 53694, 62015, 67545, 74418, 89490, 111627, 124030, 134235, 135090, 186045, 223254, 235657, 268470, 372090, 471314, 558135, 706971, 1116270, 1178285, 1413942, 2120913, 2356570, 3534855, 4241826, 7069710, 10604565, 21209130]

約数ペア:

[(1, 21209130), (2, 10604565), (3, 7069710), (5, 4241826), (6, 3534855), (9, 2356570), (10, 2120913), (15, 1413942), (18, 1178285), (19, 1116270), (30, 706971), (38, 558135), (45, 471314), (57, 372090), (79, 268470), (90, 235657), (95, 223254), (114, 186045), (157, 135090), (158, 134235), (171, 124030), (190, 111627), (237, 89490), (285, 74418), (314, 67545), (342, 62015), (395, 53694), (471, 45030), (474, 44745), (570, 37209), (711, 29830), (785, 27018), (790, 26847), (855, 24806), (942, 22515), (1185, 17898), (1413, 15010), (1422, 14915), (1501, 14130), (1570, 13509), (1710, 12403), (2355, 9006), (2370, 8949), (2826, 7505), (2983, 7110), (3002, 7065), (3555, 5966), (4503, 4710)]