21450534

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{1489}}^1$

素因数の和:1522

約数の個数: 40

約数和(自身を含む): 50081880

約数和(自身を除く): 28631346

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 1489, 2058, 2401, 2978, 4467, 4802, 7203, 8934, 10423, 14406, 20846, 31269, 62538, 72961, 145922, 218883, 437766, 510727, 1021454, 1532181, 3064362, 3575089, 7150178, 10725267, 21450534]

約数ペア:

[(1, 21450534), (2, 10725267), (3, 7150178), (6, 3575089), (7, 3064362), (14, 1532181), (21, 1021454), (42, 510727), (49, 437766), (98, 218883), (147, 145922), (294, 72961), (343, 62538), (686, 31269), (1029, 20846), (1489, 14406), (2058, 10423), (2401, 8934), (2978, 7203), (4467, 4802)]