21080724

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6121}}^1$

素因数の和:6176

約数の個数: 48

約数和(自身を含む): 57595776

約数和(自身を除く): 36515052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 492, 574, 861, 1148, 1722, 3444, 6121, 12242, 18363, 24484, 36726, 42847, 73452, 85694, 128541, 171388, 250961, 257082, 501922, 514164, 752883, 1003844, 1505766, 1756727, 3011532, 3513454, 5270181, 7026908, 10540362, 21080724]

約数ペア:

[(1, 21080724), (2, 10540362), (3, 7026908), (4, 5270181), (6, 3513454), (7, 3011532), (12, 1756727), (14, 1505766), (21, 1003844), (28, 752883), (41, 514164), (42, 501922), (82, 257082), (84, 250961), (123, 171388), (164, 128541), (246, 85694), (287, 73452), (492, 42847), (574, 36726), (861, 24484), (1148, 18363), (1722, 12242), (3444, 6121)]