20211520910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1\times {\mathrm{5591}}^1$

素因数の和:6849

約数の個数: 64

約数和(自身を含む): 42587956224

約数和(自身を除く): 22376435314

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1201, 1505, 2402, 3010, 5591, 6005, 8407, 11182, 12010, 16814, 27955, 39137, 42035, 51643, 55910, 78274, 84070, 103286, 195685, 240413, 258215, 361501, 391370, 480826, 516430, 723002, 1202065, 1682891, 1807505, 2404130, 3365782, 3615010, 6714791, 8414455, 13429582, 16828910, 33573955, 47003537, 67147910, 94007074, 235017685, 288736013, 470035370, 577472026, 1443680065, 2021152091, 2887360130, 4042304182, 10105760455, 20211520910]

約数ペア:

[(1, 20211520910), (2, 10105760455), (5, 4042304182), (7, 2887360130), (10, 2021152091), (14, 1443680065), (35, 577472026), (43, 470035370), (70, 288736013), (86, 235017685), (215, 94007074), (301, 67147910), (430, 47003537), (602, 33573955), (1201, 16828910), (1505, 13429582), (2402, 8414455), (3010, 6714791), (5591, 3615010), (6005, 3365782), (8407, 2404130), (11182, 1807505), (12010, 1682891), (16814, 1202065), (27955, 723002), (39137, 516430), (42035, 480826), (51643, 391370), (55910, 361501), (78274, 258215), (84070, 240413), (103286, 195685)]