2021940921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{2503}}^1$

素因数の和:2806

約数の個数: 64

約数和(自身を含む): 3634606080

約数和(自身を除く): 1612665159

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 269, 273, 429, 807, 1001, 1883, 2503, 2959, 3003, 3497, 5649, 7509, 8877, 10491, 17521, 20713, 24479, 27533, 32539, 38467, 52563, 62139, 73437, 82599, 97617, 115401, 192731, 227773, 269269, 357929, 578193, 673307, 683319, 807807, 1073787, 2019921, 2505503, 4713149, 7406377, 7516509, 8752991, 14139447, 22219131, 26258973, 51844639, 61270937, 96282901, 155533917, 183812811, 288848703, 673980307, 2021940921]

約数ペア:

[(1, 2021940921), (3, 673980307), (7, 288848703), (11, 183812811), (13, 155533917), (21, 96282901), (33, 61270937), (39, 51844639), (77, 26258973), (91, 22219131), (143, 14139447), (231, 8752991), (269, 7516509), (273, 7406377), (429, 4713149), (807, 2505503), (1001, 2019921), (1883, 1073787), (2503, 807807), (2959, 683319), (3003, 673307), (3497, 578193), (5649, 357929), (7509, 269269), (8877, 227773), (10491, 192731), (17521, 115401), (20713, 97617), (24479, 82599), (27533, 73437), (32539, 62139), (38467, 52563)]