21901121030

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{15581}}^1$

素因数の和:15785

約数の個数: 64

約数和(自身を含む): 42206028480

約数和(自身を除く): 20304907450

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 131, 145, 185, 262, 290, 370, 655, 1073, 1310, 2146, 3799, 4847, 5365, 7598, 9694, 10730, 15581, 18995, 24235, 31162, 37990, 48470, 77905, 140563, 155810, 281126, 451849, 576497, 702815, 903698, 1152994, 1405630, 2041111, 2259245, 2882485, 4082222, 4518490, 5764970, 10205555, 16718413, 20411110, 33436826, 59192219, 75521107, 83592065, 118384438, 151042214, 167184130, 295961095, 377605535, 591922190, 755211070, 2190112103, 4380224206, 10950560515, 21901121030]

約数ペア:

[(1, 21901121030), (2, 10950560515), (5, 4380224206), (10, 2190112103), (29, 755211070), (37, 591922190), (58, 377605535), (74, 295961095), (131, 167184130), (145, 151042214), (185, 118384438), (262, 83592065), (290, 75521107), (370, 59192219), (655, 33436826), (1073, 20411110), (1310, 16718413), (2146, 10205555), (3799, 5764970), (4847, 4518490), (5365, 4082222), (7598, 2882485), (9694, 2259245), (10730, 2041111), (15581, 1405630), (18995, 1152994), (24235, 903698), (31162, 702815), (37990, 576497), (48470, 451849), (77905, 281126), (140563, 155810)]