21376943944

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{1607}}^1\times {\mathrm{27259}}^1$

素因数の和:28933

約数の個数: 32

約数和(自身を含む): 40765694400

約数和(自身を除く): 19388750456

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 1607, 3214, 6428, 12856, 27259, 54518, 98027, 109036, 196054, 218072, 392108, 784216, 1662799, 3325598, 6651196, 13302392, 43805213, 87610426, 175220852, 350441704, 2672117993, 5344235986, 10688471972, 21376943944]

約数ペア:

[(1, 21376943944), (2, 10688471972), (4, 5344235986), (8, 2672117993), (61, 350441704), (122, 175220852), (244, 87610426), (488, 43805213), (1607, 13302392), (3214, 6651196), (6428, 3325598), (12856, 1662799), (27259, 784216), (54518, 392108), (98027, 218072), (109036, 196054)]