21221686070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{613}}^1\times {\mathrm{941}}^1$

素因数の和:1857

約数の個数: 64

約数和(自身を含む): 41394072384

約数和(自身を除く): 20172386314

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 283, 566, 613, 941, 1226, 1415, 1882, 2830, 3065, 3679, 4705, 6130, 7358, 7969, 9410, 12233, 15938, 18395, 24466, 36790, 39845, 61165, 79690, 122330, 173479, 266303, 346958, 532606, 576833, 867395, 1153666, 1331515, 1734790, 2255227, 2663030, 2884165, 3461939, 4510454, 5768330, 6923878, 7498829, 11276135, 14997658, 17309695, 22552270, 34619390, 37494145, 74988290, 163243739, 326487478, 816218695, 1632437390, 2122168607, 4244337214, 10610843035, 21221686070]

約数ペア:

[(1, 21221686070), (2, 10610843035), (5, 4244337214), (10, 2122168607), (13, 1632437390), (26, 816218695), (65, 326487478), (130, 163243739), (283, 74988290), (566, 37494145), (613, 34619390), (941, 22552270), (1226, 17309695), (1415, 14997658), (1882, 11276135), (2830, 7498829), (3065, 6923878), (3679, 5768330), (4705, 4510454), (6130, 3461939), (7358, 2884165), (7969, 2663030), (9410, 2255227), (12233, 1734790), (15938, 1331515), (18395, 1153666), (24466, 867395), (36790, 576833), (39845, 532606), (61165, 346958), (79690, 266303), (122330, 173479)]