21065226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{941}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 53174016

約数和(自身を除く): 32108790

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 41, 42, 78, 82, 91, 123, 182, 246, 273, 287, 533, 546, 574, 861, 941, 1066, 1599, 1722, 1882, 2823, 3198, 3731, 5646, 6587, 7462, 11193, 12233, 13174, 19761, 22386, 24466, 36699, 38581, 39522, 73398, 77162, 85631, 115743, 171262, 231486, 256893, 270067, 501553, 513786, 540134, 810201, 1003106, 1504659, 1620402, 3009318, 3510871, 7021742, 10532613, 21065226]

約数ペア:

[(1, 21065226), (2, 10532613), (3, 7021742), (6, 3510871), (7, 3009318), (13, 1620402), (14, 1504659), (21, 1003106), (26, 810201), (39, 540134), (41, 513786), (42, 501553), (78, 270067), (82, 256893), (91, 231486), (123, 171262), (182, 115743), (246, 85631), (273, 77162), (287, 73398), (533, 39522), (546, 38581), (574, 36699), (861, 24466), (941, 22386), (1066, 19761), (1599, 13174), (1722, 12233), (1882, 11193), (2823, 7462), (3198, 6587), (3731, 5646)]