21762030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 55837440

約数和(自身を除く): 34075410

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 73, 95, 114, 146, 190, 219, 285, 365, 438, 523, 570, 730, 1046, 1095, 1387, 1569, 2190, 2615, 2774, 3138, 4161, 5230, 6935, 7845, 8322, 9937, 13870, 15690, 19874, 20805, 29811, 38179, 41610, 49685, 59622, 76358, 99370, 114537, 149055, 190895, 229074, 298110, 381790, 572685, 725401, 1145370, 1450802, 2176203, 3627005, 4352406, 7254010, 10881015, 21762030]

約数ペア:

[(1, 21762030), (2, 10881015), (3, 7254010), (5, 4352406), (6, 3627005), (10, 2176203), (15, 1450802), (19, 1145370), (30, 725401), (38, 572685), (57, 381790), (73, 298110), (95, 229074), (114, 190895), (146, 149055), (190, 114537), (219, 99370), (285, 76358), (365, 59622), (438, 49685), (523, 41610), (570, 38179), (730, 29811), (1046, 20805), (1095, 19874), (1387, 15690), (1569, 13870), (2190, 9937), (2615, 8322), (2774, 7845), (3138, 6935), (4161, 5230)]