21000355017

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{24107}}^1$

素因数の和:24206

約数の個数: 64

約数和(自身を含む): 33326899200

約数和(自身を除く): 12326544183

約数列:

[1, 3, 17, 19, 29, 31, 51, 57, 87, 93, 323, 493, 527, 551, 589, 899, 969, 1479, 1581, 1653, 1767, 2697, 9367, 10013, 15283, 17081, 24107, 28101, 30039, 45849, 51243, 72321, 290377, 409819, 458033, 699103, 747317, 871131, 1229457, 1374099, 2097309, 2241951, 7786561, 11884751, 12704389, 13282957, 14199023, 21672193, 23359683, 35654253, 38113167, 39848871, 42597069, 65016579, 225810269, 241383391, 368427281, 411771667, 677430807, 724150173, 1105281843, 1235315001, 7000118339, 21000355017]

約数ペア:

[(1, 21000355017), (3, 7000118339), (17, 1235315001), (19, 1105281843), (29, 724150173), (31, 677430807), (51, 411771667), (57, 368427281), (87, 241383391), (93, 225810269), (323, 65016579), (493, 42597069), (527, 39848871), (551, 38113167), (589, 35654253), (899, 23359683), (969, 21672193), (1479, 14199023), (1581, 13282957), (1653, 12704389), (1767, 11884751), (2697, 7786561), (9367, 2241951), (10013, 2097309), (15283, 1374099), (17081, 1229457), (24107, 871131), (28101, 747317), (30039, 699103), (45849, 458033), (51243, 409819), (72321, 290377)]