21145083528

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{218459}}^1$

素因数の和:218614

約数の個数: 64

約数和(自身を含む): 54789768000

約数和(自身を除く): 33644684472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 109, 111, 148, 218, 222, 296, 327, 436, 444, 654, 872, 888, 1308, 2616, 4033, 8066, 12099, 16132, 24198, 32264, 48396, 96792, 218459, 436918, 655377, 873836, 1310754, 1747672, 2621508, 5243016, 8082983, 16165966, 23812031, 24248949, 32331932, 47624062, 48497898, 64663864, 71436093, 95248124, 96995796, 142872186, 190496248, 193991592, 285744372, 571488744, 881045147, 1762090294, 2643135441, 3524180588, 5286270882, 7048361176, 10572541764, 21145083528]

約数ペア:

[(1, 21145083528), (2, 10572541764), (3, 7048361176), (4, 5286270882), (6, 3524180588), (8, 2643135441), (12, 1762090294), (24, 881045147), (37, 571488744), (74, 285744372), (109, 193991592), (111, 190496248), (148, 142872186), (218, 96995796), (222, 95248124), (296, 71436093), (327, 64663864), (436, 48497898), (444, 47624062), (654, 32331932), (872, 24248949), (888, 23812031), (1308, 16165966), (2616, 8082983), (4033, 5243016), (8066, 2621508), (12099, 1747672), (16132, 1310754), (24198, 873836), (32264, 655377), (48396, 436918), (96792, 218459)]