21966702920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{2741}}^1$

素因数の和:3087

約数の個数: 128

約数和(自身を含む): 53446625280

約数和(自身を除く): 31479922360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 281, 310, 460, 562, 620, 713, 920, 1124, 1240, 1405, 1426, 2248, 2741, 2810, 2852, 3565, 5482, 5620, 5704, 6463, 7130, 8711, 10964, 11240, 12926, 13705, 14260, 17422, 21928, 25852, 27410, 28520, 32315, 34844, 43555, 51704, 54820, 63043, 64630, 69688, 84971, 87110, 109640, 126086, 129260, 169942, 174220, 200353, 252172, 258520, 315215, 339884, 348440, 400706, 424855, 504344, 630430, 679768, 770221, 801412, 849710, 1001765, 1260860, 1540442, 1602824, 1699420, 1954333, 2003530, 2521720, 3080884, 3398840, 3851105, 3908666, 4007060, 6161768, 7702210, 7817332, 8014120, 9771665, 15404420, 15634664, 17715083, 19543330, 23876851, 30808840, 35430166, 39086660, 47753702, 70860332, 78173320, 88575415, 95507404, 119384255, 141720664, 177150830, 191014808, 238768510, 354301660, 477537020, 549167573, 708603320, 955074040, 1098335146, 2196670292, 2745837865, 4393340584, 5491675730, 10983351460, 21966702920]

約数ペア:

[(1, 21966702920), (2, 10983351460), (4, 5491675730), (5, 4393340584), (8, 2745837865), (10, 2196670292), (20, 1098335146), (23, 955074040), (31, 708603320), (40, 549167573), (46, 477537020), (62, 354301660), (92, 238768510), (115, 191014808), (124, 177150830), (155, 141720664), (184, 119384255), (230, 95507404), (248, 88575415), (281, 78173320), (310, 70860332), (460, 47753702), (562, 39086660), (620, 35430166), (713, 30808840), (920, 23876851), (1124, 19543330), (1240, 17715083), (1405, 15634664), (1426, 15404420), (2248, 9771665), (2741, 8014120), (2810, 7817332), (2852, 7702210), (3565, 6161768), (5482, 4007060), (5620, 3908666), (5704, 3851105), (6463, 3398840), (7130, 3080884), (8711, 2521720), (10964, 2003530), (11240, 1954333), (12926, 1699420), (13705, 1602824), (14260, 1540442), (17422, 1260860), (21928, 1001765), (25852, 849710), (27410, 801412), (28520, 770221), (32315, 679768), (34844, 630430), (43555, 504344), (51704, 424855), (54820, 400706), (63043, 348440), (64630, 339884), (69688, 315215), (84971, 258520), (87110, 252172), (109640, 200353), (126086, 174220), (129260, 169942)]