21016938120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{8761}}^1\times {\mathrm{19991}}^1$

素因数の和:28766

約数の個数: 64

約数和(自身を含む): 63061165440

約数和(自身を除く): 42044227320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 8761, 17522, 19991, 26283, 35044, 39982, 43805, 52566, 59973, 70088, 79964, 87610, 99955, 105132, 119946, 131415, 159928, 175220, 199910, 210264, 239892, 262830, 299865, 350440, 399820, 479784, 525660, 599730, 799640, 1051320, 1199460, 2398920, 175141151, 350282302, 525423453, 700564604, 875705755, 1050846906, 1401129208, 1751411510, 2101693812, 2627117265, 3502823020, 4203387624, 5254234530, 7005646040, 10508469060, 21016938120]

約数ペア:

[(1, 21016938120), (2, 10508469060), (3, 7005646040), (4, 5254234530), (5, 4203387624), (6, 3502823020), (8, 2627117265), (10, 2101693812), (12, 1751411510), (15, 1401129208), (20, 1050846906), (24, 875705755), (30, 700564604), (40, 525423453), (60, 350282302), (120, 175141151), (8761, 2398920), (17522, 1199460), (19991, 1051320), (26283, 799640), (35044, 599730), (39982, 525660), (43805, 479784), (52566, 399820), (59973, 350440), (70088, 299865), (79964, 262830), (87610, 239892), (99955, 210264), (105132, 199910), (119946, 175220), (131415, 159928)]