21362764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 20005556

約数列:

[1, 2, 4, 19, 37, 38, 71, 74, 76, 107, 142, 148, 214, 284, 428, 703, 1349, 1406, 2033, 2627, 2698, 2812, 3959, 4066, 5254, 5396, 7597, 7918, 8132, 10508, 15194, 15836, 30388, 49913, 75221, 99826, 144343, 150442, 199652, 281089, 288686, 300884, 562178, 577372, 1124356, 5340691, 10681382, 21362764]

約数ペア:

[(1, 21362764), (2, 10681382), (4, 5340691), (19, 1124356), (37, 577372), (38, 562178), (71, 300884), (74, 288686), (76, 281089), (107, 199652), (142, 150442), (148, 144343), (214, 99826), (284, 75221), (428, 49913), (703, 30388), (1349, 15836), (1406, 15194), (2033, 10508), (2627, 8132), (2698, 7918), (2812, 7597), (3959, 5396), (4066, 5254)]