21619530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 39033270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 47, 57, 90, 94, 95, 114, 141, 171, 190, 235, 269, 282, 285, 342, 423, 470, 538, 570, 705, 807, 846, 855, 893, 1345, 1410, 1614, 1710, 1786, 2115, 2421, 2679, 2690, 4035, 4230, 4465, 4842, 5111, 5358, 8037, 8070, 8930, 10222, 12105, 12643, 13395, 15333, 16074, 24210, 25286, 25555, 26790, 30666, 37929, 40185, 45999, 51110, 63215, 75858, 76665, 80370, 91998, 113787, 126430, 153330, 189645, 227574, 229995, 240217, 379290, 459990, 480434, 568935, 720651, 1137870, 1201085, 1441302, 2161953, 2402170, 3603255, 4323906, 7206510, 10809765, 21619530]

約数ペア:

[(1, 21619530), (2, 10809765), (3, 7206510), (5, 4323906), (6, 3603255), (9, 2402170), (10, 2161953), (15, 1441302), (18, 1201085), (19, 1137870), (30, 720651), (38, 568935), (45, 480434), (47, 459990), (57, 379290), (90, 240217), (94, 229995), (95, 227574), (114, 189645), (141, 153330), (171, 126430), (190, 113787), (235, 91998), (269, 80370), (282, 76665), (285, 75858), (342, 63215), (423, 51110), (470, 45999), (538, 40185), (570, 37929), (705, 30666), (807, 26790), (846, 25555), (855, 25286), (893, 24210), (1345, 16074), (1410, 15333), (1614, 13395), (1710, 12643), (1786, 12105), (2115, 10222), (2421, 8930), (2679, 8070), (2690, 8037), (4035, 5358), (4230, 5111), (4465, 4842)]