21079661976

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{22433}}^1$

素因数の和:22897

約数の個数: 96

約数和(自身を含む): 59075003520

約数和(自身を除く): 37995341544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 421, 558, 744, 842, 1116, 1263, 1684, 2232, 2526, 3368, 3789, 5052, 7578, 10104, 13051, 15156, 22433, 26102, 30312, 39153, 44866, 52204, 67299, 78306, 89732, 104408, 117459, 134598, 156612, 179464, 201897, 234918, 269196, 313224, 403794, 469836, 538392, 695423, 807588, 939672, 1390846, 1615176, 2086269, 2781692, 4172538, 5563384, 6258807, 8345076, 9444293, 12517614, 16690152, 18888586, 25035228, 28332879, 37777172, 50070456, 56665758, 75554344, 84998637, 113331516, 169997274, 226663032, 292773083, 339994548, 585546166, 679989096, 878319249, 1171092332, 1756638498, 2342184664, 2634957747, 3513276996, 5269915494, 7026553992, 10539830988, 21079661976]

約数ペア:

[(1, 21079661976), (2, 10539830988), (3, 7026553992), (4, 5269915494), (6, 3513276996), (8, 2634957747), (9, 2342184664), (12, 1756638498), (18, 1171092332), (24, 878319249), (31, 679989096), (36, 585546166), (62, 339994548), (72, 292773083), (93, 226663032), (124, 169997274), (186, 113331516), (248, 84998637), (279, 75554344), (372, 56665758), (421, 50070456), (558, 37777172), (744, 28332879), (842, 25035228), (1116, 18888586), (1263, 16690152), (1684, 12517614), (2232, 9444293), (2526, 8345076), (3368, 6258807), (3789, 5563384), (5052, 4172538), (7578, 2781692), (10104, 2086269), (13051, 1615176), (15156, 1390846), (22433, 939672), (26102, 807588), (30312, 695423), (39153, 538392), (44866, 469836), (52204, 403794), (67299, 313224), (78306, 269196), (89732, 234918), (104408, 201897), (117459, 179464), (134598, 156612)]