21169590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 60383232

約数和(自身を除く): 39213642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 31, 34, 39, 51, 62, 65, 78, 85, 93, 102, 103, 130, 155, 170, 186, 195, 206, 221, 255, 309, 310, 390, 403, 442, 465, 510, 515, 527, 618, 663, 806, 930, 1030, 1054, 1105, 1209, 1326, 1339, 1545, 1581, 1751, 2015, 2210, 2418, 2635, 2678, 3090, 3162, 3193, 3315, 3502, 4017, 4030, 5253, 5270, 6045, 6386, 6630, 6695, 6851, 7905, 8034, 8755, 9579, 10506, 12090, 13390, 13702, 15810, 15965, 17510, 19158, 20085, 20553, 22763, 26265, 31930, 34255, 40170, 41106, 41509, 45526, 47895, 52530, 54281, 68289, 68510, 83018, 95790, 102765, 108562, 113815, 124527, 136578, 162843, 205530, 207545, 227630, 249054, 271405, 325686, 341445, 415090, 542810, 622635, 682890, 705653, 814215, 1245270, 1411306, 1628430, 2116959, 3528265, 4233918, 7056530, 10584795, 21169590]

約数ペア:

[(1, 21169590), (2, 10584795), (3, 7056530), (5, 4233918), (6, 3528265), (10, 2116959), (13, 1628430), (15, 1411306), (17, 1245270), (26, 814215), (30, 705653), (31, 682890), (34, 622635), (39, 542810), (51, 415090), (62, 341445), (65, 325686), (78, 271405), (85, 249054), (93, 227630), (102, 207545), (103, 205530), (130, 162843), (155, 136578), (170, 124527), (186, 113815), (195, 108562), (206, 102765), (221, 95790), (255, 83018), (309, 68510), (310, 68289), (390, 54281), (403, 52530), (442, 47895), (465, 45526), (510, 41509), (515, 41106), (527, 40170), (618, 34255), (663, 31930), (806, 26265), (930, 22763), (1030, 20553), (1054, 20085), (1105, 19158), (1209, 17510), (1326, 15965), (1339, 15810), (1545, 13702), (1581, 13390), (1751, 12090), (2015, 10506), (2210, 9579), (2418, 8755), (2635, 8034), (2678, 7905), (3090, 6851), (3162, 6695), (3193, 6630), (3315, 6386), (3502, 6045), (4017, 5270), (4030, 5253)]