21031610860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{9029}}^1$

素因数の和:9116

約数の個数: 144

約数和(自身を含む): 52161903360

約数和(自身を除く): 31130292500

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 85, 124, 130, 155, 170, 221, 260, 289, 310, 340, 403, 442, 527, 578, 620, 806, 884, 1054, 1105, 1156, 1445, 1612, 2015, 2108, 2210, 2635, 2890, 3757, 4030, 4420, 5270, 5780, 6851, 7514, 8060, 8959, 9029, 10540, 13702, 15028, 17918, 18058, 18785, 27404, 34255, 35836, 36116, 37570, 44795, 45145, 68510, 75140, 89590, 90290, 116467, 117377, 137020, 153493, 179180, 180580, 232934, 234754, 279899, 306986, 465868, 469508, 559798, 582335, 586885, 613972, 767465, 1119596, 1164670, 1173770, 1399495, 1534930, 1995409, 2329340, 2347540, 2609381, 2798990, 3069860, 3638687, 3990818, 4758283, 5218762, 5597980, 7277374, 7981636, 9516566, 9977045, 10437524, 13046905, 14554748, 18193435, 19033132, 19954090, 23791415, 26093810, 33921953, 36386870, 39908180, 47582830, 52187620, 61857679, 67843906, 72773740, 80890811, 95165660, 123715358, 135687812, 161781622, 169609765, 247430716, 309288395, 323563244, 339219530, 404454055, 618576790, 678439060, 808908110, 1051580543, 1237153580, 1617816220, 2103161086, 4206322172, 5257902715, 10515805430, 21031610860]

約数ペア:

[(1, 21031610860), (2, 10515805430), (4, 5257902715), (5, 4206322172), (10, 2103161086), (13, 1617816220), (17, 1237153580), (20, 1051580543), (26, 808908110), (31, 678439060), (34, 618576790), (52, 404454055), (62, 339219530), (65, 323563244), (68, 309288395), (85, 247430716), (124, 169609765), (130, 161781622), (155, 135687812), (170, 123715358), (221, 95165660), (260, 80890811), (289, 72773740), (310, 67843906), (340, 61857679), (403, 52187620), (442, 47582830), (527, 39908180), (578, 36386870), (620, 33921953), (806, 26093810), (884, 23791415), (1054, 19954090), (1105, 19033132), (1156, 18193435), (1445, 14554748), (1612, 13046905), (2015, 10437524), (2108, 9977045), (2210, 9516566), (2635, 7981636), (2890, 7277374), (3757, 5597980), (4030, 5218762), (4420, 4758283), (5270, 3990818), (5780, 3638687), (6851, 3069860), (7514, 2798990), (8060, 2609381), (8959, 2347540), (9029, 2329340), (10540, 1995409), (13702, 1534930), (15028, 1399495), (17918, 1173770), (18058, 1164670), (18785, 1119596), (27404, 767465), (34255, 613972), (35836, 586885), (36116, 582335), (37570, 559798), (44795, 469508), (45145, 465868), (68510, 306986), (75140, 279899), (89590, 234754), (90290, 232934), (116467, 180580), (117377, 179180), (137020, 153493)]