21108119305

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 32391394560

約数和(自身を除く): 11283275255

約数列:

[1, 5, 7, 13, 35, 49, 65, 71, 91, 245, 269, 347, 355, 455, 497, 637, 923, 1345, 1735, 1883, 2429, 2485, 3185, 3479, 3497, 4511, 4615, 6461, 9415, 12145, 13181, 17003, 17395, 17485, 19099, 22555, 24479, 24637, 31577, 32305, 45227, 65905, 85015, 93343, 95495, 122395, 123185, 133693, 157885, 171353, 172459, 221039, 226135, 248287, 320281, 466715, 653401, 668465, 856765, 862295, 935851, 1105195, 1207213, 1213459, 1241435, 1601405, 1738009, 2241967, 3267005, 4573807, 4679255, 6036065, 6067295, 6627353, 8494213, 8690045, 11209835, 12166063, 15693769, 22869035, 33136765, 42471065, 46391471, 59459491, 60830315, 78468845, 86155589, 231957355, 297297455, 324740297, 430777945, 603089123, 1623701485, 3015445615, 4221623861, 21108119305]

約数ペア:

[(1, 21108119305), (5, 4221623861), (7, 3015445615), (13, 1623701485), (35, 603089123), (49, 430777945), (65, 324740297), (71, 297297455), (91, 231957355), (245, 86155589), (269, 78468845), (347, 60830315), (355, 59459491), (455, 46391471), (497, 42471065), (637, 33136765), (923, 22869035), (1345, 15693769), (1735, 12166063), (1883, 11209835), (2429, 8690045), (2485, 8494213), (3185, 6627353), (3479, 6067295), (3497, 6036065), (4511, 4679255), (4615, 4573807), (6461, 3267005), (9415, 2241967), (12145, 1738009), (13181, 1601405), (17003, 1241435), (17395, 1213459), (17485, 1207213), (19099, 1105195), (22555, 935851), (24479, 862295), (24637, 856765), (31577, 668465), (32305, 653401), (45227, 466715), (65905, 320281), (85015, 248287), (93343, 226135), (95495, 221039), (122395, 172459), (123185, 171353), (133693, 157885)]