21081462

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^2$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 46385136

約数和(自身を除く): 25303674

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 71, 82, 102, 123, 142, 213, 246, 426, 697, 1207, 1394, 2091, 2414, 2911, 3621, 4182, 5041, 5822, 7242, 8733, 10082, 15123, 17466, 30246, 49487, 85697, 98974, 148461, 171394, 206681, 257091, 296922, 413362, 514182, 620043, 1240086, 3513577, 7027154, 10540731, 21081462]

約数ペア:

[(1, 21081462), (2, 10540731), (3, 7027154), (6, 3513577), (17, 1240086), (34, 620043), (41, 514182), (51, 413362), (71, 296922), (82, 257091), (102, 206681), (123, 171394), (142, 148461), (213, 98974), (246, 85697), (426, 49487), (697, 30246), (1207, 17466), (1394, 15123), (2091, 10082), (2414, 8733), (2911, 7242), (3621, 5822), (4182, 5041)]