21750871688

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{4049}}^1$

素因数の和:4279

約数の個数: 128

約数和(自身を含む): 51601536000

約数和(自身を除く): 29850664312

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 47, 52, 56, 91, 94, 104, 157, 182, 188, 314, 329, 364, 376, 611, 628, 658, 728, 1099, 1222, 1256, 1316, 2041, 2198, 2444, 2632, 4049, 4082, 4277, 4396, 4888, 7379, 8098, 8164, 8554, 8792, 14287, 14758, 16196, 16328, 17108, 28343, 28574, 29516, 32392, 34216, 51653, 52637, 56686, 57148, 59032, 95927, 103306, 105274, 113372, 114296, 190303, 191854, 206612, 210548, 226744, 368459, 380606, 383708, 413224, 421096, 635693, 671489, 736918, 761212, 767416, 1271386, 1332121, 1342978, 1473836, 1522424, 2473939, 2542772, 2664242, 2685956, 2947672, 4449851, 4947878, 5085544, 5328484, 5371912, 8264009, 8899702, 9895756, 10656968, 16528018, 17317573, 17799404, 19791512, 29877571, 33056036, 34635146, 35598808, 57848063, 59755142, 66112072, 69270292, 115696126, 119510284, 138540584, 209142997, 231392252, 239020568, 388408423, 418285994, 462784504, 776816846, 836571988, 1553633692, 1673143976, 2718858961, 3107267384, 5437717922, 10875435844, 21750871688]

約数ペア:

[(1, 21750871688), (2, 10875435844), (4, 5437717922), (7, 3107267384), (8, 2718858961), (13, 1673143976), (14, 1553633692), (26, 836571988), (28, 776816846), (47, 462784504), (52, 418285994), (56, 388408423), (91, 239020568), (94, 231392252), (104, 209142997), (157, 138540584), (182, 119510284), (188, 115696126), (314, 69270292), (329, 66112072), (364, 59755142), (376, 57848063), (611, 35598808), (628, 34635146), (658, 33056036), (728, 29877571), (1099, 19791512), (1222, 17799404), (1256, 17317573), (1316, 16528018), (2041, 10656968), (2198, 9895756), (2444, 8899702), (2632, 8264009), (4049, 5371912), (4082, 5328484), (4277, 5085544), (4396, 4947878), (4888, 4449851), (7379, 2947672), (8098, 2685956), (8164, 2664242), (8554, 2542772), (8792, 2473939), (14287, 1522424), (14758, 1473836), (16196, 1342978), (16328, 1332121), (17108, 1271386), (28343, 767416), (28574, 761212), (29516, 736918), (32392, 671489), (34216, 635693), (51653, 421096), (52637, 413224), (56686, 383708), (57148, 380606), (59032, 368459), (95927, 226744), (103306, 210548), (105274, 206612), (113372, 191854), (114296, 190303)]