21038097614

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 33403363200

約数和(自身を除く): 12365265586

約数列:

[1, 2, 53, 71, 73, 106, 142, 146, 149, 257, 298, 514, 3763, 3869, 5183, 7526, 7738, 7897, 10366, 10579, 10877, 13621, 15794, 18247, 18761, 21158, 21754, 27242, 36494, 37522, 38293, 76586, 274699, 549398, 560687, 576481, 772267, 967091, 994333, 1121374, 1152962, 1332031, 1544534, 1934182, 1988666, 2029529, 2664062, 2718803, 2795389, 4059058, 5437606, 5590778, 40930151, 70597643, 81860302, 141195286, 144096559, 148155617, 198472619, 288193118, 296311234, 396945238, 10519048807, 21038097614]

約数ペア:

[(1, 21038097614), (2, 10519048807), (53, 396945238), (71, 296311234), (73, 288193118), (106, 198472619), (142, 148155617), (146, 144096559), (149, 141195286), (257, 81860302), (298, 70597643), (514, 40930151), (3763, 5590778), (3869, 5437606), (5183, 4059058), (7526, 2795389), (7738, 2718803), (7897, 2664062), (10366, 2029529), (10579, 1988666), (10877, 1934182), (13621, 1544534), (15794, 1332031), (18247, 1152962), (18761, 1121374), (21158, 994333), (21754, 967091), (27242, 772267), (36494, 576481), (37522, 560687), (38293, 549398), (76586, 274699)]